A list of 109 words by sionnach.
- cherubim appears on 22 other lists
- seraphim appears on 64 other lists and has 2 comments
- culs-de-sac appears on 1 other list
- adjutants-general
- aides-de-camp appears on 1 other list and has 1 comment
- passersby appears on 4 other lists and has 1 comment
- courts-martial
- commanders-in-chief
- fleurs-de-lis
- knickerbockers glory
- heirs apparent
- billets doux appears on 1 other list and has 2 comments
- comptrollers-general
- poets laureate
- children appears on 20 other lists and has 3 comments
- brethren appears on 20 other lists and has 2 comments
- kibbutzim appears on 2 other lists
- magna opera appears on 1 other list and has 1 comment
- data appears on 31 other lists and has 29 comments
- media appears on 21 other lists
- faux pas appears on 28 other lists and has 1 comment
- oxen appears on 11 other lists
- ignoramuses appears on 2 other lists
- octopuses appears on 2 other lists
- appendixes appears on 1 other list
- festschrifts appears on 1 other list
- thesauruses
- criteria appears on 17 other lists and has 1 comment
- phenomena appears on 17 other lists and has 11 comments
- crises appears on 1 other list
- hypotheses appears on 1 other list
- timpani appears on 10 other lists
- fungi appears on 11 other lists
- ova appears on 11 other lists
- bacilli appears on 1 other list
- stimuli appears on 2 other lists
- kine appears on 26 other lists and has 12 comments
- staffs
- staves appears on 4 other lists and has 2 comments
- stigmas appears on 2 other lists
- stigmata appears on 39 other lists and has 1 comment
- dogmas appears on 2 other lists
- nouveaux riches
- necropolises
- necropoli
- djinn appears on 32 other lists and has 1 comment
- mesdames appears on 1 other list
- carmina has 2 comments
- talismans appears on 1 other list
- women appears on 9 other lists and has 5 comments
- wunderkinder appears on 1 other list
- goyim appears on 12 other lists
- geese appears on 7 other lists
- feet appears on 17 other lists and has 3 comments
- goosefoots
- mongooses appears on 2 other lists
- pence appears on 4 other lists and has 1 comment
- rubaiyat appears on 5 other lists and has 1 comment
- landsleit
- dice appears on 16 other lists and has 1 comment
- eisteddfodau has 1 comment
- feiseanna appears on 1 other list and has 1 comment
- coccyges appears on 1 other list
- shtetlach has 1 comment
- vasa appears on 1 other list
- ephemerides appears on 3 other lists
- still lifes
- blues appears on 22 other lists
- cannon appears on 11 other lists and has 3 comments
- head appears on 43 other lists and has 3 comments
- shoon appears on 6 other lists and has 1 comment
- housen has 1 comment
- matrices appears on 8 other lists and has 14 comments
- vertices appears on 3 other lists
- polyhedra appears on 1 other list
- automata appears on 9 other lists
- corpora appears on 3 other lists and has 1 comment
- genera appears on 5 other lists
- viscera appears on 40 other lists
- alumnae appears on 2 other lists
- alumni appears on 2 other lists and has 1 comment
- foci appears on 6 other lists and has 1 comment
- radii appears on 7 other lists
- grafitti
- biscotti appears on 17 other lists and has 10 comments
- paparazzi appears on 8 other lists and has 1 comment
- women doctors
- nurse-practitioners
- menservants
- city-states
- men-of-war appears on 1 other list
- jacks-in-the-box
- jack-in-the-boxes
- jack-o'-lanterns
- will-o'-the-wisps
- cat-o'-nine-tails appears on 2 other lists
- faits accomplis
- idées fixes
- cris de coeur
- tête-à-têtes
- sabertooths
- syringes appears on 1 other list
- kidz
- sheepen has 1 comment
- occipita
- occiputs appears on 2 other lists and has 2 comments
- numina appears on 2 other lists
- chrysalides
- chrysalises

madmouth there's the doubly plural gentlemen callers Jun 16, 2009
bilby What's the Irish Gaelic plural of sionnach? Nov 30, 2008
gangerh Bumblefeet, sionnach? Apr 21, 2008
sionnach The ability to form correct plurals has been the subject of research in, for instance, subjects with Williams Syndrome:
Presentation on Williams Syndrome Apr 21, 2008