abs ab +s
addenda addendum +s
ads ad +s
alumnae alumna +s
alumni alumnus +s
analyses analysis +s
antitheses antithesis +s
apices apex +s
apotheoses apotheosis +s
appendices appendix +s
aquaria aquarium +s
arcana arcanum +s
atria atrium +s
auditoria auditorium +s
automata automaton +s
axes axis +s
bacilli bacillus +s
bacteria bacterium +s
beanies beanie +s
beaux beau +s
booklice booklouse +s
brothers-in-law brother-in-law +s
buckteeth bucktooth +s
busses bus +s
cacti cactus +s
calculi calculus +s
catalyses catalysis +s
cerebella cerebellum +s
cerebra cerebrum +s
cervices cervix +s
chateaux chateau +s
cherubim cherub +s
colloquia colloquium +s
colossi colossus +s
compendia compendium +s
concerti concerto +s
consortia consortium +s
continua continuum +s
cookies cookie +s
coolies coolie +s
corpora corpus +s
corpses corpse +s
cortices cortex +s
cranium crania +s
crises crisis +s
criteria criterion +s
curricula curriculum +s
daughters-in-law daughter-in-law +s
desiderata desideratum +s
dodecahedra dodecahedron +s
dormice dormouse +s
emphases emphasis +s
emporia emporium +s
epithelia epithelium +s
equilibria equilibrium +s
errata erratum +s
esophagi esophagus +s
extrema extremum +s
fathers-in-law father-in-law +s
feet foot +s
fives five +s
flagella flagellum +s
fungi fungus +s
foci focus +s
fora forum +s
ganglia ganglion +s
geese goose +s
genera genus +s
goyim goy +s
graves grave +s
gymnasia gymnasium +s
halfpence halfpenny +s
helices helix +s
hexahedra hexahedron +s
hippies hippie +s
hoes hoe +s
hypostases hypostasis +s
hypotheses hypothesis +s
icosahedra icosahedron +s
ids id +s
indices index +s
joes joe +s
junkies junkie +s
lbs lb +s
libretti libretto +s
lice louse +s
loci locus +s
maxima maximum +s
memoranda memorandum +s
men man +s
metastases metastasis +s
metatheses metathesis +s
mice mouse +s
millennia millennium +s
minima minimum +s
modulus moduli +s
moratoria moratorium +s
mothers-in-law mother-in-law +s
motives motive +s
muses muse +s
nemeses nemesis +s
neuroses neurosis +s
nuclei nucleus +s
nucleoli nucleolus +s
oases oasis +s
octahedra octahedron +s
octopi octopus +s
optima optimum +s
ova ovum +s
oxen ox +s
paralyses paralysis +s
parentheses parenthesis +s
pease pea +s
pence penny +s
penknives penknife +s
pentahedra pentahedron +s
people person +s
phenomena phenomenon +s
phyla phylum +s
piercings piercing +s
pixies pixie +s
plateaux plateau +s
pneumococcus pneumococci +s
pocketknives pocketknife +s
podia podium +s
polyhedra polyhedron +s
prolegomena prolegomenon +s
prostheses prosthesis +s
pylori pylorus +s
quanta quantum +s
radices radix +s
radii radius +s
reeves reeve +s
referenda referendum +s
rhombi rhombus +s
runners-up runner-up +s
sanitaria sanitarium +s
schemata schema +s
secretaries-general secretary-general +s
senses sense +s
seraphim seraph +s
simulacra simulacrum +s
sisters-in-law sister-in-law +s
smoothies smoothie +s
solaria solarium +s
sons-in-law son-in-law +s
spectra spectrum +s
sporangia sporangium +s
stadia stadium +s
stigmata stigma +s
stimuli stimulus +s
stomata stoma +s
strata stratum +s
syllabi syllabus +s
symposia symposium +s
synopses synopsis +s
syntheses synthesis +s
tableaux tableau +s
tarsi tarsus +s
taxa taxon +s
taxis taxi +s
teeth tooth +s
termini terminus +s
testes testis +s
tetrahedra tetrahedron +s
thesauri thesaurus +s
theses thesis +s
thrombi thrombus +s
tidings tiding +s
uteri uterus +s
vases vase +s
vertices vertex +s
virtuosi virtuoso +s
vortices vortex +s
