medium media
alumnus alumni
alumna alumnae
opus opera
forum fora
datum data
addendum addenda
analysis analyses
focus foci
basis bases
supernova supernovae |
criterion criteria
phenomenon phenomena
antenna antennae
formula formulae
index indices
appendix appendices
stimulus stimuli
bureau bureaux
curriculum curricula
die dice |
child children
goose geese
ox oxen
mouse mice
foot feet
tooth teeth
man men
woman women
knife knives
wife wives |