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Ultra fast English pluralize and singularize noun inflection for Elixir. Convert plural to singular, singular to plural, and detect noun forms. Zero-regex, compile-time data, O(1) dispatch. Classical English mode available.

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abacus abacuses
abortus abortuses
abscissa abscissas
abuse abuses
acanthus acanthuses
acephalobrachius acephalobrachiuses
ache aches
acropolis acropolises
act acts
addendum addenda
Addie Addies
adenitis adenitises
adenovirus adenoviruses
aegis aegises
aerie aeries
afflatus afflatuses
aficionado aficionados
afreet afreeti
afrit afriti
agapanthus agapanthuses
agenda agendas
agendum agenda
agent-provocateur agents-provocateurs
Aggie Aggies
aggro aggros
aide-de-camp aides-de-camp
ailanthus ailanthuses
airbus airbuses
Alabaman Alabamans
albino albinos
alfamovirus alfamoviruses
alga algae
alias aliases
alkermes alkermeses
allegro allegros
Allie Allies
allosaurus allosauruses
aloe aloes
alphacoronavirus alphacoronaviruses
alphaherpesvirus alphaherpesviruses
alphavirus alphaviruses
alto altos
aluminium aluminium
aluminum aluminum
alumna alumnae
alumnus alumni
alveolus alveoli
am are
amanuensis amanuenses
Amie Amies
amniocentesis amniocenteses
amoeba amoebas
amphioxus amphioxuses
amplexus amplexuses
analysis analyses
ananas ananases
anathema anathemas
Andromache Andromaches
anestrus anestruses
angelus angeluses
Angie Angies
animus animuses
ankylosaurus ankylosauruses
annex annexes
annexe annexes
Annie Annies
Annmarie Annmaries
annulus annuluses
anoestrus anoestruses
Antananarivo Antananarivos
antenna antennas
antics anticses
antiretrovirus antiretroviruses
antithesis antitheses
antivirus antiviruses
anus anuses
Apache Apaches
apatosaurus apatosauruses
apex apexes
aphelion aphelions
aphthovirus aphthoviruses
apotheosis apotheoses
apparatus apparatuses
appendicitis appendicitises
appendix appendices
aquabirnavirus aquabirnaviruses
aquareovirus aquareoviruses
aquarium aquariums
arboretum arboretums
arborvirus arborviruses
arbovirus arboviruses
arbutus arbutuses
Archie Archies
archipelago archipelagos
arcus arcuses
are is
arenavirus arenaviruses
argus arguses
aries arieses
armadillo armadillos
arquebus arquebuses
arras arrases
arteriosclerosis arterioscleroses
arteritis arteritises
arterivirus arteriviruses
Artie Arties
ascovirus ascoviruses
asparagus asparaguses
astragalus astragaluses
astrovirus astroviruses
asyndeton asyndetons
atadenovirus atadenoviruses
ataman atamans
atherosclerosis atheroscleroses
atlas atlases
atman atmas
attorney general attorneys general
attorney-general attorneys-general
aureusvirus aureusviruses
aurochs aurochses
aurora auroras
Aussie Aussies
auto autos
autobus autobuses
automaton automata
avalanche avalanches
avens avenses
aviadenovirus aviadenoviruses
avibirnavirus avibirnaviruses
avihepadnavirus avihepadnaviruses
avipoxvirus avipoxviruses
avocado avocados
axis axes
baas baases
bacillus bacilli
backache backaches
backhoe backhoes
bacterium bacteria
baculovirus baculoviruses
badnavirus badnaviruses
baggie baggies
Bahaman Bahamans
balanus balanuses
balas balases
Bamako Bamakos
Barbie Barbies
Barquisimeto Barquisimetos
Barrie Barries
Basie Basies
basis bases
basso bassos
bathos bathoses
beau beaux
beau-geste beaux-gestes
beef beefs
begomovirus begomoviruses
bel-homme beaux-hommes
belie belies
belle-epoque belles-epoques
bellyache bellyaches
bema bemas
Bennie Bennies
benthos benthoses
Bernie Bernies
Bertie Berties
Bessie Bessies
betacoronavirus betacoronaviruses
betaherpesvirus betaherpesviruses
betanodavirus betanodaviruses
Betelgeuse Betelgeuses
Bettie Betties
bias biases
biggie biggies
bildungsroman bildungsromane
bill-of-attainder bills-of-attainder
Billie Billies
bimbo bimbos
bingo bingos
binoculus binoculuses
biogas biogases
birdie birdies
Biro Biros
biscotto biscotti
bison bison
bivalve bivalves
blame blames
Blanche Blanches
blewits blewitses
blinks blinkses
Blondie Blondies
blouse blouses
Bobbie Bobbies
bocavirus bocaviruses
bogie bogies
bolero boleros
Bolshoi Bolshois
bolus boluses
Bolzano Bolzanos
bon-mot bons-mots
bon-vivant bons-vivants
bongo bongos
bonnie bonnies
Bonnie Bonnies
bonus bonuses
boogie boogies
bookie bookies
boreas boreases
bornavirus bornaviruses
Boto Botos
botulinus botulinuses
bouillabaisse bouillabaisses
bourgeoisie bourgeoisies
Bowie Bowies
boy boys
Brandie Brandies
Brie Bries
bromovirus bromoviruses
bronchitis bronchitises
bronchus bronchi
brontosaurus brontosauruses
brother brothers
brother-in-law brothers-in-law
brownie brownies
Brownie Brownies
budgie budgies
buffalo buffaloes
buoy buoys
bureau bureaus
Burman Burmans
burro burros
bursitis bursitises
bus buses
buzz buzzes
bymovirus bymoviruses
byssus byssuses
cache caches
cactus cactuses
caddie caddies
caddis caddises
cafe cafes
caiman caimans
Cairo Cairos
calamus calamuses
calcivirus calciviruses
calculus calculi
calicivirus caliciviruses
Callie Callies
callus calluses
calorie calories
camaraderie camaraderies
camas camases
campus campuses
candelabrum candelabra
cannabis cannabises
canoe canoes
canto cantos
cantus cantuses
canvas canvases
cappuccino cappuccinos
capripoxvirus capripoxviruses
carcinoma carcinomas
cardiovirus cardioviruses
carditis carditises
cargo cargoes
caribou caribous
carlavirus carlaviruses
carmen carmina
carmovirus carmoviruses
Carnegie Carnegies
carouse carouses
Carrie Carries
casino casinos
Cassie Cassies
cat-o'-nine-tails cat-o'-nine-tails
catalysis catalyses
catharsis catharses
cattle cattles
caucus caucuses
caulimovirus caulimoviruses
cause causes
cayman caymans
cello cellos
cellulitis cellulitises
census censuses
centrodesmus centrodesmuses
ceratodus ceratoduses
ceriman cerimans
cervicitis cervicitises
chaos chaoses
charisma charismas
Charlie Charlies
chartreuse chartreuses
chassis chasses
chateau chateaus
Cherie Cheries
cherub cherubs
chiasmus chiasmuses
Chicago Chicagos
child children
chili chilis
Chimango Chimangos
Chloe Chloes
chloriridovirus chloriridoviruses
chlorovirus chloroviruses
choragus choraguses
chorus choruses
Christie Christies
chrysalis chrysalises
chus chi
château châteaux
cilantro cilantros
circovirus circoviruses
circus circuses
cirrhosis cirrhoses
citrus citruses
clause clauses
clave claves
clianthus clianthuses
clitoris clitorises
Clive Clives
cloche cloches
clonus clonuses
closterovirus closteroviruses
clypeus clypeuses
coccis cocces
coccolithovirus coccolithoviruses
cochito cochitos
cockamamie cockamamies
coco cocos
codex codices
coitus coituses
coleus coleuses
colitis colitises
collie collies
collins collinses
colobus colobuses
Colombo Colombos
Colorado Colorados
colpitis colpitises
coltivirus coltiviruses
Comanche Comanches
commando commandos
comovirus comoviruses
compendium compendiums
conceptus conceptuses
concertino concertinos
concerto concerti
conjunctivitis conjunctivitises
Connie Connies
consensus consensuses
consortium consortiums
conspectus conspectuses
contango contangos
contralto contraltos
contuse contuses
convolvulus convolvuluses
cookie cookies
coolie coolies
cootie cooties
copy copies
cornmuse cornmuses
coronavirus coronaviruses
corpus corpuses
corrigendum corrigenda
cortex cortexes
coryzavirus coryzaviruses
cos coses
cosmos cosmoses
coterie coteries
coup d'etat coups d'etat
court-martial courts-martial
cow cows
coxsackievirus coxsackieviruses
cranium craniums
crappie crappies
creche creches
credo credos
crescendo crescendos
crevasse crevasses
cri du coeur cris du coeur
crinivirus criniviruses
crisis crises
criterion criteria
crocus crocuses
crus cruses
Crusoe Crusoes
cubitus cubituses
cucumovirus cucumoviruses
cunnilinctus cunnilinctuses
cunnilingus cunnilinguses
curie curies
Curie Curies
curriculum curriculums
cuscus cuscuses
cutesie cutesies
cutlas cutlases
cyano cyanos
cypovirus cypoviruses
cystovirus cystoviruses
cytomegalovirus cytomegaloviruses
czech czechs
dace daces
dais daises
Dannie Dannies
database databases
datum data
daughter-in-law daughters-in-law
Debbie Debbies
deer deer
Defoe Defoes
deinonychus deinonychuses
deltacoronavirus deltacoronaviruses
deluxe deluxes
demitasse demitasses
demo demos
densovirus densoviruses
deoxyribovirus deoxyriboviruses
dependovirus dependoviruses
dermatitis dermatitises
dermovirus dermoviruses
des deses
desideratum desiderata
desman desmans
deton detons
diagnosis diagnoses
dialysis dialyses
dianthovirus dianthoviruses
dickens dickenses
dictum dictums
die dice
dieresis diereses
diestrus diestruses
digitalis digitalises
dingo dingoes
dingus dinguses
diplodocus diplodocuses
diploma diplomas
dipus dipuses
director-general directors-general
discus discuses
dissolve dissolves
ditto dittos
diverticulitis diverticulitises
Dixie Dixies
doe does
dogie dogies
dogma dogmas
dolichos dolichoses
Dollie Dollies
dolman dolmans
domino dominoes
Donnie Donnies
doofus doofuses
douche douches
douse douses
Draco Dracos
drama dramas
Drambuie Drambuies
drink drinks
dukhobor dukhobortsy
duovirus duoviruses
Duse Duses
dynamo dynamos
earache earaches
eave eaves
ecbovirus ecboviruses
ecdovirus ecdoviruses
echo echoes
echovirus echoviruses
ecmovirus ecmoviruses
ecsovirus ecsoviruses
Eddie Eddies
edema edemas
Effie Effies
efreet efreeti
ego egos
eland elands
electrolysis electrolyses
electrotonus electrotonuses
elk elk
Ellie Ellies
ellipsis ellipses
Elsie Elsies
embargo embargoes
embolus emboluses
embryo embryos
emphasis emphases
emporium emporiums
encomium encomiums
endocarditis endocarditises
endometritis endometritises
enema enemas
enigma enigmas
entellus entelluses
entente-cordiale ententes-cordiales
enteritis enteritises
enterovirus enteroviruses
entomobirnavirus entomobirnaviruses
entomopoxvirus entomopoxviruses
eohippus eohippuses
ephemeris ephemerises
epidermis epidermises
epididymis epididymises
epos eposes
Erie Eries
Ernie Ernies
erratum errata
erve erves
erysipelas erysipelases
erythrovirus erythroviruses
Esperanto Esperantos
espresso espressos
Essie Essies
estrus estruses
ethnos ethnoses
ethos ethoses
eucalyptus eucalyptuses
Eugenie Eugenies
eunuch eunuchs
euonymus euonymuses
euro euros
excursus excursuses
excuse excuses
exegesis exegeses
exodus exoduses
exophthalmos exophthalmoses
explosive explosives
extrados extradoses
extremum extrema
eyas eyases
eyrie eyries
fabavirus fabaviruses
Faeroe Faeroes
fait-accompli faits-accomplis
falsetto falsettos
famulus famuluses
Fannie Fannies
farman farmans
Faro Faros
father-in-law fathers-in-law
fauna faunas
faux-pas faux-pas
fetus fetuses
fez fezzes
fiasco fiascos
fibronexus fibronexuses
fibropapillomavirus fibropapillomaviruses
fibrositis fibrositises
fiche fiches
fight fights
fijivirus fijiviruses
Filipino Filipinos
filixmas filixmases
filovirus filoviruses
fils filses
fire fires
fireman firemen
fish fish
fizz fizzes
flamenco flamencos
flatfoot flatfoots
flatus flatuses
flavivirus flaviviruses
floe floes
floozie floozies
flora floras
Flossie Flossies
fly flies
focus focuses
foe foes
foetus foetuses
foot feet
footsie footsies
foramen foramens
formula formulas
fowlpoxvirus fowlpoxviruses
fracas fracases
Frankie Frankies
Freddie Freddies
freebie freebies
fremitus fremituses
frizz frizzes
fucus fucuses
fungus funguses
furioso furiosos
furovirus furoviruses
fuse fuses
gallus galluses
gammaherpesvirus gammaherpesviruses
ganglion ganglions
gas gases
geminivirus geminiviruses
generalissimo generalissimos
genesis geneses
genie genies
genius geniuses
gens gentes
genu genua
genus genera
German Germans
Gestapo Gestapos
ghetto ghettos
giardiavirus giardiaviruses
gibbus gibbuses
gigolo gigolos
Gillespie Gillespies
gingivitis gingivitises
ginglymus ginglymuses
gizmo gizmos
glossitis glossitises
glottis glottises
glove gloves
goalie goalies
Goldie Goldies
goniolens goniolenses
goose geese
governor-general governors-general
goy goyim
Gracie Gracies
graffito graffiti
grampus grampuses
granulovirus granuloviruses
Greensboro Greensboros
gringo gringos
groupie groupies
grouse grouses
Guaiabero Guaiaberos
guano guanos
gubbins gubbinses
guinea fowl guinea fowls
guinea-fowl guinea-fowls
gulf gulfs
gumbo gumbos
gumma gummas
Guthrie Guthries
guts gutses
gymnasium gymnasiums
gyro gyros
gyrus gyruses
haddock haddocks
hairdo hairdos
hake hakes
halibut halibut
halitosis halitoses
Hallie Hallies
hallux halluces
ham on rye ham-on-ryes
hamadryas hamadryases
Hanoi Hanois
hantavirus hantaviruses
harman harmans
harquebus harquebuses
Hattie Hatties
head of state heads of state
headache headaches
heartache heartaches
helianthus helianthuses
helium helium
helix helices
helpervirus helperviruses
hepadnavirus hepadnaviruses
hepatopancreas hepatopancreases
hero heroes
herpesvirus herpesviruses
herring herrings
Hesse Hesses
hetman hetmans
Hettie Hetties
hiatus hiatuses
hibiscus hibiscuses
hie hies
hippo hippos
hippopotamus hippopotamuses
Hiroshiman Hiroshimans
hive hives
hoe hoes
Hollie Hollies
holluschik holluschikie
honorarium honorariums
hoof hooves
hordeivirus hordeiviruses
hornfels hornfelses
house houses
hubris hubrises
human humans
hummus hummuses
humus humuses
hydnocarpus hydnocarpuses
hydra hydras
hydrolysis hydrolyses
hyperbaton hyperbatons
hyperbola hyperbolas
hypnosis hypnoses
hypotenuse hypotenuses
hypothesis hypotheses
hypovirus hypoviruses
hysteresis hystereses
I we
iambus iambuses
ibis ibises
ichnovirus ichnoviruses
ichthyosaurus ichthyosauruses
icterus icteruses
ictus ictuses
Idaho Idahos
idee-fixe idees-fixes
ignoramus ignoramuses
ilarvirus ilarviruses
impasse impasses
impetigo impetigos
impetus impetuses
incubus incubuses
incus incuses
index indices
inferno infernos
infinity infinities
influenzavirus influenzaviruses
info infos
inovirus inoviruses
insigne insignia
intermezzo intermezzos
interregnum interregnums
intertrigo intertrigos
interweave interweaves
intrados intradoses
Iquico Iquicos
iridovirus iridoviruses
iris irises
isthmus isthmuses
iter itinera
itis itises
Ivanhoe Ivanhoes
jack-in-the-box jacks-in-the-box
jack-in-the-pulpit jacks-in-the-pulpit
Jackie Jackies
jakes jakeses
jalapeno jalapenos
jalapeño jalapeños
jalousie jalousies
Jamie Jamies
janiceps janicepses
Janie Janies
Jannie Jannies
Jeanie Jeanies
Jeannie Jeannies
Jennie Jennies
jerry jerries
Jerry Jerrys
Jesse Jesses
Jessie Jessies
Jimmie Jimmies
Jodie Jodies
Joe Joes
Johnie Johnies
Johnnie Johnnies
Jones Joneses
Josie Josies
Julie Julies
julus juluses
jumbo jumbos
junkie junkies
junto juntos
Kakapo Kakapos
Kalgoorlie Kalgoorlies
karatas karatases
Kathie Kathies
Katie Katies
Kellie Kellies
Kewpie Kewpies
kiddie kiddies
kilo kilos
kimono kimonos
Kinkimavo Kinkimavos
Kokako Kokakos
kos koses
Kosovo Kosovos
Kristie Kristies
krone kroner
labyrinthitis labyrinthitises
lacuna lacunas
laddie laddies
laminitis laminitises
Laramie Laramies
Larousse Larousses
larva larvae
lassie lassies
Lassie Lassies
latex latexes
Laurie Lauries
leishmaniavirus leishmaniaviruses
leman lemans
lemma lemmas
lens lenses
lentivirus lentiviruses
leporipoxvirus leporipoxviruses
leptocephalus leptocephali
Leslie Leslies
Lesotho Lesothos
Lessie Lessies
levivirus leviviruses
libero liberos
libido libidos
libretto librettos
lido lidos
lie lies
ligas ligases
like likes
Lillie Lillies
Lilo Lilos
Liman Limans
limbo limbos
limbus limbuses
limo limos
linctus linctuses
lineno linenos
lingerie lingeries
lingo lingos
lino linos
lipocaics lipocaicses
lithops lithopses
litmus litmuses
livedo livedos
Lizzie Lizzies
loaf loaves
loco locos
locus loci
logo logos
loma lomas
Lonnie Lonnies
look looks
lore lores
Lorie Lories
Lorrie Lorries
Lottie Lotties
lotus lotuses
Louie Louies
louse lice
lowlife lowlifes
lumbago lumbagos
lumen lumens
lupus lupuses
lustrum lustrums
luteovirus luteoviruses
lymphocryptovirus lymphocryptoviruses
lymphocystivirus lymphocystiviruses
lymphoma lymphomas
lyssavirus lyssaviruses
macho machos
Mackenzie Mackenzies
mackerel mackerels
macro macros
macrocosmos macrocosmoses
macrolens macrolenses
madras madrases
mafioso mafiosos
Maggie Maggies
magma magmas
magneto magnetos
magnifico magnificos
magpie magpies
Maisie Maisies
Majuro Majuros
make makes
Malabo Malabos
malleus malleuses
Mamie Mamies
man men
man-about-town men-about-town
man-child men-children
man-of-war men-of-war
mandamus mandamuses
mango mangoes
manifesto manifestos
manservant menservants
mantis mantises
manus manuses
Maputo Maputos
Maracaibo Maracaibos
marafivirus marafiviruses
marasmus marasmuses
Marcie Marcies
Margie Margies
Marie Maries
Marjorie Marjories
marquis marquises
mary maries
Mary Marys
masseuse masseuses
mastadenovirus mastadenoviruses
mastrevirus mastreviruses
Matisse Matisses
matrix matrices
Mattie Matties
matzo matzoth
maximum maximums
McEnroe McEnroes
McKenzie McKenzies
me us
measles measles
meatus meatuses
medico medicos
medium mediums
medusa medusas
megalosaurus megalosauruses
Melanie Melanies
melisma melismas
memo memos
memorandum memorandums
menagerie menageries
mengovirus mengoviruses
meniscus menisci
menopause menopauses
meros meroses
metamorphosis metamorphoses
metapneumovirus metapneumoviruses
metastasis metastases
metritis metritises
metro metros
metropolis metropolises
Meuse Meuses
mevinphos mevinphoses
Mexico Mexicos
miasma miasmas
michaelmas michaelmases
Mickie Mickies
micro micros
microcallus microcalluses
microcensus microcensuses
microfiche microfiches
microlens microlenses
microvirus microviruses
Milano Milanos
millennium millenniums
Millie Millies
mine ours
minibus minibuses
minimum minimums
minister-president ministers-president
Minnie Minnies
minus minuses
minutia minutiae
misdiagnosis misdiagnoses
missus missuses
mistletoe mistletoes
misuse misuses
mitosis mitoses
Moe Moes
Mollie Mollies
molluscipoxvirus molluscipoxviruses
momentum momentums
mommie mommies
Monaco Monacos
monas monases
mongoose mongooses
monkeypoxvirus monkeypoxviruses
mono monos
mononucleosis mononucleoses
Monroe Monroes
Montenegro Montenegros
morbillivirus morbilliviruses
Morocco Moroccos
mosquito mosquitoes
mother-in-law mothers-in-law
motorbus motorbuses
motto mottoes
Mountie Mounties
mouse mice
mousse mousses
move moves
movie movies
mucus mucuses
muggins mugginses
Muqdisho Muqdishos
murex murices
murivirus muriviruses
muromegalovirus muromegaloviruses
muse muses
my our
mycoplasmavirus mycoplasmaviruses
mycovirus mycoviruses
myo myos
myocarditis myocarditises
myricas myricases
myself ourselves
mythos mythoi
myxovirus myxoviruses
Nakayaman Nakayamans
Nannie Nannies
nanovirus nanoviruses
narcosis narcoses
Natalie Natalies
nautilus nautiluses
nebula nebulas
necktie neckties
necrosis necroses
necrovirus necroviruses
negus neguses
Nellie Nellies
nemesis nemeses
neophallus neophalluses
nepovirus nepoviruses
Nettie Netties
neurosis neuroses
neurostatus neurostatuses
neurovirus neuroviruses
neutrino neutrinos
never-was never-weres
newbie newbies
news news
nexus nexuses
niche niches
nidus niduses
Nietzsche Nietzsches
nightie nighties
nimbus nimbuses
Ningbo Ningbos
nisus nisuses
nitavirus nitaviruses
no noes
nodavirus nodaviruses
Noe Noes
nonbias nonbiases
nonenterovirus nonenteroviruses
nonflavivirus nonflaviviruses
nonius noniuses
nonplus nonpluses
nonpoliovirus nonpolioviruses
Norman Normans
norovirus noroviruses
noumenon noumena
nova novas
novirhabdovirus novirhabdoviruses
nucellus nucelluses
nucleolus nucleoluses
nucleopolyhedrovirus nucleopolyhedroviruses
nucleus nuclei
numbers numberses
numen numina
nystagmus nystagmuses
oaf oafs
oasis oases
obesity obesities
oboe oboes
occiput occiputs
octavo octavos
octopus octopuses
oedema oedemas
oestrus oestruses
Oklahoman Oklahomans
oldie oldies
olive olives
Ollie Ollies
omnibus omnibuses
omphalos omphaloses
oncodnavirus oncodnaviruses
oncoretrovirus oncoretroviruses
oncornavirus oncornaviruses
oncovirus oncoviruses
onus onuses
ophthalmitis ophthalmitises
optimum optimums
opus opuses
orbivirus orbiviruses
orchitis orchitises
oregano oreganos
organdie organdies
organon organons
Orinoco Orinocos
Orlando Orlandos
ornis ornithes
orthohepadnavirus orthohepadnaviruses
orthomyxovirus orthomyxoviruses
orthopoxvirus orthopoxviruses
orthoreovirus orthoreoviruses
Oslo Oslos
osmosis osmoses
osteoporosis osteoporoses
ottoman ottomans
overlie overlies
overplus overpluses
overuse overuses
ovum ova
ox oxen
oxymoron oxymorons
Ozzie Ozzies
palas palases
Palmolive Palmolives
Panaman Panamans
pancreas pancreases
pandanus pandanuses
panino panini
panto pantos
paparazzo paparazzi
papillomavirus papillomaviruses
papovavirus papovaviruses
pappus pappuses
parabola parabolas
parainfluenzavirus parainfluenzaviruses
paralysis paralyses
Paramaribo Paramaribos
paramyxovirus paramyxoviruses
paranthropus paranthropuses
parapoxvirus parapoxviruses
pararetrovirus pararetroviruses
Pardusco Parduscos
parechovirus parechoviruses
parenthesis parentheses
parotitis parotitises
parthenogenesis parthenogeneses
parvovirus parvoviruses
passerby passersby
pastiche pastiches
pathos pathoses
pause pauses
Pearlie Pearlies
pecluvirus pecluviruses
pedalo pedalos
pekoe pekoes
pelvis pelvises
pemphigus pemphiguses
penis penises
perihelion perihelions
periodontitis periodontitises
peripatus peripatuses
periphrasis periphrases
peritonitis peritonitises
person people
persona personas
peruse peruses
pestivirus pestiviruses
petasos petasoses
petasus petasuses
pharos pharoses
phenomenon phenomena
philadelphus philadelphuses
phosphorus phosphoruses
photo photos
photosynthesis photosyntheses
phylum phylums
phytoreovirus phytoreoviruses
phytorhabdovirus phytorhabdoviruses
piano pianos
pickaxe pickaxes
pickerel pickerels
picobirnavirus picobirnaviruses
picodnavirus picodnaviruses
picornavirus picornaviruses
picotrinavirus picotrinaviruses
pie pies
pike pikes
pilaf pilafs
pimento pimentos
pinkie pinkies
pinto pintos
pixie pixies
plateau plateaus
platypus platypuses
pleco plecos
plectrovirus plectroviruses
plexus plexuses
plus pluses
Pluto Plutos
pneumocystitis pneumocystitises
pneumovirus pneumoviruses
Poe Poes
pogo pogos
poliovirus polioviruses
polis polises
polo polos
polyanthus polyanthuses
polydnavirus polydnaviruses
polyhedron polyhedra
polyomavirus polyomaviruses
polypus polypuses
pomovirus pomoviruses
poncho ponchos
pontifex pontifexes
Porsche Porsches
Porto Portos
Porto-Novo Porto-Novos
posse posses
potato potatoes
potexvirus potexviruses
pothos pothoses
potpie potpies
Pottawatomie Pottawatomies
potyvirus potyviruses
poxvirus poxviruses
pragma pragmas
prairie prairies
precis preces
premium premiums
previrus previruses
prima donna prima donnas
primus primuses
pro pros
proatlas proatlases
proboscis probosces
proctitis proctitises
procurator-fiscal procurators-fiscal
profuse profuses
prognosis prognoses
prolapsus prolapsuses
prolegomenon prolegomena
prophylaxis prophylaxes
prospectus prospectuses
prostatitis prostatitises
prosthesis prostheses
provirus proviruses
pruritus prurituses
pseudogas pseudogases
pseudomyxovirus pseudomyxoviruses
pseudophakos pseudophakoses
pseudophallus pseudophalluses
pseudosinus pseudosinuses
pseudotetanus pseudotetanuses
pseudovirus pseudoviruses
psoriasis psoriases
psyche psyches
psycho psychos
psychoanalysis psychoanalyses
psychokinesis psychokineses
psychosis psychoses
pueblo pueblos
pupa pupae
pus puses
pycnics pycnicses
quadrans quadrantes
quadriceps quadricepses
quantum quantums
quarto quartos
quartz quartz
quiche quiches
quickie quickies
quietus quietuses
Quito Quitos
quiz quizzes
radius radiuses
radix radices
ranavirus ranaviruses
raptus raptuses
razz razzes
reach reaches
rebus rebuses
recluse recluses
referendum referenda
Reggie Reggies
reovirus reoviruses
repo repos
reredos reredoses
research research
resolve resolves
retrovirus retroviruses
reuse reuses
reverie reveries
rhabdovirus rhabdoviruses
rhadinovirus rhadinoviruses
rhesus rhesuses
rhino rhinos
rhinoceros rhinoceross
rhinosinus rhinosinuses
rhinovirus rhinoviruses
rhizopus rhizopuses
rhombus rhombuses
ribovirus riboviruses
Richie Richies
Rickie Rickies
rictus rictuses
ringhals ringhalses
rinkhals rinkhalses
risotto risottos
rive rives
Robbie Robbies
Roche Roches
rococo rococos
roe roes
rom roma
Rom Roma
Roman Romans
romany romanies
Romany Romanies
rondo rondos
Ronnie Ronnies
rookie rookies
Rosalie Rosalies
Roscoe Roscoes
Rosemarie Rosemaries
roseolovirus roseoloviruses
Rosie Rosies
rostrum rostrums
rotavirus rotaviruses
rotisserie rotisseries
Roxie Roxies
rubai rubaiyat
rubivirus rubiviruses
rubulavirus rubulaviruses
ruckus ruckuses
rumpus rumpuses
run runs
runner-up runners-up
ruse ruses
Rushdie Rushdies
Ruthie Ruthies
rymovirus rymoviruses
sabertooth sabertooths
sabretooth sabretooths
Sacramento Sacramentos
saddo saddos
Sadie Sadies
safe safes
sago sagos
saleratus saleratuses
Sallie Sallies
salpingitis salpingitises
salve salves
salvo salvos
Sammie Sammies
Santiago Santiagos
sapovirus sapoviruses
Sapporo Sapporos
Sarajevo Sarajevos
sarcoma sarcomas
sarcophagus sarcophagi
sardius sardiuses
sassafras sassafrases
scarabaeus scarabaeuses
schema schemas
scherzando scherzandos
scherzo scherzos
schoolbus schoolbuses
scleritis scleritises
sclerosis scleroses
scoliosis scolioses
Scottie Scotties
scultetus scultetuses
seed seeds
Selassie Selassies
Selman Selmans
sepsis sepses
sequivirus sequiviruses
seraph seraphs
sergeant major sergeants major
serostatus serostatuses
shad shads
shaman shamans
sheep sheep
Sherrie Sherries
ship of the line ships of the line
shoe shoes
shrimp shrimp
shtetl shtetlach
shucks shuckses
silenus silenuses
silex silices
silicosis silicoses
silo silos
simplex simplexes
simplexvirus simplexviruses
sink sinks
sinus sinuses
sinusitis sinusitises
sirocco siroccos
sis sises
sister-in-law sisters-in-law
sleep sleep
sloe sloes
sma smas
snipe snipes
sobemovirus sobemoviruses
soflens soflenses
softie softies
soleus soleuses
solo solos
soma somas
sombrero sombreros
son of a bitch sons of bitches
son-in-law sons-in-law
Sonaman Sonamans
Sophie Sophies
soprano sopranos
sortie sorties
souse souses
spaghetto spaghettis
spectrum spectrums
speculum speculums
spondylitis spondylitises
spouse spouses
spumaretrovirus spumaretroviruses
spumavirus spumaviruses
staccato staccatos
Stacie Stacies
stadium stadiums
stamen stamens
stapes stapeses
starets staretses
status statuses
Stefanie Stefanies
stegosaurus stegosauruses
Stephanie Stephanies
sterno sternos
Stevie Stevies
stigma stigmata
stimulus stimuli
stoma stomata
stomach stomachs
stomachache stomachaches
stomatitis stomatitises
strabismus strabismuses
stratum strata
streptocarpus streptocarpuses
strophanthus strophanthuses
stucco stuccos
stylo stylos
stylus styluses
stymie stymies
subvirus subviruses
succubus succubuses
suds sudses
suffuse suffuses
suipoxvirus suipoxviruses
summons summonses
sumo sumos
surplus surpluses
Susie Susies
susurrus susurruses
sweetie sweeties
swine swines
syllabus syllabuses
Sylvie Sylvies
symbiosis symbioses
syndesmos syndesmoses
syngas syngases
synophthalmus synophthalmuses
synopsis synopses
synovitis synovitises
synthesis syntheses
Syracuse Syracuses
tableau tableaus
Tacoman Tacomans
Tahoe Tahoes
Taiko Taikos
talisman talismans
talouse talouses
Tammie Tammies
tantalus tantaluses
tax taxes
taxis taxes
teal teals
teargas teargases
techno technos
tectivirus tectiviruses
telekinesis telekineses
tempo tempos
tenderfoot tenderfoots
tendinitis tendinitises
tendonitis tendonitises
tenosynovitis tenosynovitises
terrazzo terrazzos
Terrie Terries
Tessie Tessies
testis testes
testudo testudos
tetanus tetanuses
tetravirus tetraviruses
thallus thalluses
that those
thermos thermoses
thesaurus thesauruses
thesis theses
thief thieves
this these
thrips thripses
throe throes
thrombosis thromboses
thymus thymuses
tie ties
timpano timpanos
tinnitus tinnituses
Tippecanoe Tippecanoes
tiptoe tiptoes
tiro tiros
tive tives
tobacco tobaccos
tobamovirus tobamoviruses
tobravirus tobraviruses
toe toes
togavirus togaviruses
Togo Togos
Tokyo Tokyos
tomato tomatoes
tombusvirus tombusviruses
Tommie Tommies
tonsillitis tonsillitises
tonus tonuses
tooth teeth
toothache toothaches
topaz topazes
torero toreros
Torino Torinos
tornado tornadoes
Toronto Torontos
torpedo torpedoes
torquetenovirus torquetenoviruses
torso torsos
torte torten
torus toruses
tospovirus tospoviruses
Toulouse Toulouses
tour-de-force tours-de-force
tracheitis tracheitises
Tracie Tracies
tranche tranches
transfuse transfuses
trapezium trapeziums
trapezius trapeziuses
trauma traumas
Trekkie Trekkies
trellis trellises
tremolo tremolos
trias triases
trichovirus trichoviruses
trilby trilbys
tripos triposes
tritimovirus tritimoviruses
trolleybus trolleybuses
tuberculosis tuberculoses
tumulus tumuluses
tuna tunas
turbot turbots
turf turfs
twelve twelves
tymovirus tymoviruses
typhus typhuses
typo typos
tyrannosaurus tyrannosauruses
tyro tyros
ufo ufos
ultimatum ultimatums
ultravirus ultraviruses
umbilicus umbilicuses
umbra umbras
umbravirus umbraviruses
underdrawers underdrawerses
underlie underlies
UNESCO UNESCOs
unisexuals unisexualses
untie unties
upas upases
urethritis urethritises
urinalysis urinalyses
urus uruses
use uses
ushabti ushabtiu
uterus uteruses
uveitis uveitises
uvulitis uvulitises
vacciniavirus vacciniaviruses
vacuum vacuums
Valarie Valaries
Valerie Valeries
Valkyrie Valkyries
valve valves
valvulitis valvulitises
vaquero vaqueros
varicellovirus varicelloviruses
vas vasa
veggie veggies
velum velums
vermicello vermicellos
verso versos
vertebra vertebrae
vertex vertices
vesiculovirus vesiculoviruses
veto vetoes
vibrato vibratos
Vickie Vickies
vie vies
view views
violoncello violoncellos
Virgie Virgies
Virgo Virgos
virtuoso virtuosos
virus viruses
viscus viscera
vita vitas
vitellus vitelluses
volcano volcanoes
vomitus vomituses
vortex vortexes
vulvitis vulvitises
walrus walruses
water fowl water fowls
water-fowl water-fowls
wave waves
weave weaves
weeds weedses
weirdo weirdos
whereas whereases
WHO WHOs
wildebeest wildebeest
Willie Willies
Winnie Winnies
woe woes
woman-doctor women-doctors
workman workmen
WTO WTOs
wunderkind wunderkinder
Wylie Wylies
Yakiman Yakimans
Yamoussoukro Yamoussoukros
yatapoxvirus yatapoxviruses
yes yeses
yeshiva yeshivoth
yo-yo yo-yos
Yokohaman Yokohamans
Yorkie Yorkies
yourself yourselves
Yuman Yumans
yuppie yuppies
zecchino zecchini
zero zeros
Zibo Zibos
Zoe Zoes
zombie zombies
zucchini zucchinis
zygomaticus zygomaticuses