apices apex +s
apotheoses apotheosis +s
arcana arcanum +s
automata automaton +s
axes axis +s
booklice booklouse +s
brothers-in-law brother-in-law +s
buckteeth bucktooth +s
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cerebella cerebellum +s
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cervices cervix +s
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criteria criterion +s
dodecahedra dodecahedron +s
feet foot +s
fora forum +s
ganglia ganglion +s
geese goose +s
halfpence halfpenny +s
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lice louse +s
memoranda memorandum +s
men man +s
mice mouse +s
minima minimum +s
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oases oasis +s
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ova ovum +s
oxen ox +s
pease pea +s
pence penny +s
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pocketknives pocketknife +s
polyhedra polyhedron +s
radices radix +s
runners-up runner-up +s
secretaries-general secretary-general +s
simulacra simulacrum +s
sisters-in-law sister-in-law +s
strata stratum +s
synopses synopsis +s
syntheses synthesis +s
taxa taxon +s
testes testis +s
tetrahedra tetrahedron +s
