`English irregular nouns

Group 1: singular f, plural v

calf/calves, dwarf/dwarves, elf/elves, self/selves, shelf/shelves, half/halves, hoof/hooves, knife/knives, life/lives, wife/wives, leaf/leaves, sheaf/sheaves, loaf/loaves, scarf/scarves, thief/thieves, wharf/wharves, wolf/wolves

Group 2: no change

bison/bison, deer/deer, fish/fish (and specific fish species), grouse/grouse, moose/moose, quail/quail, swine/swine

barracks/barracks, crossroads/crossroads, gallows/gallows, headquarters/headquarters, means/means, mews/mews, series/series, species/species, works/works

(national, tribal, and ethnic names)

craft/craft, offspring/offspring

Group 3: very irregular

foot/feet, goose/geese, tooth/teeth, louse/lice, mouse/mice, man/men, woman/women

child/children, ox/oxen

Group 4: Latin, Greek, and Hebrew

alga/algae, larva/larvae, etc.

alumnus/alumni, bacillus/bacilli, locus/loci, stimulus/stimuli, etc.

addendum/addenda, erratum/errata, quantum/quanta, etc.

appendix/appendices, matrix/matrices, vortex/vortices, etc.

analysis/analyses, basis/bases, crisis/crises, emphasis/emphases, oasis/oases, thesis/theses, etc.

criterion/criteria, phenomenon/phenomena, etc.

cherub/cherubim, kibbutz/kibbutzim, etc.

Source:  the Cambridge Grammar of the English Language