Appendix A - Plural categories

Note: This appendix belongs to the paper: Conway, D., An Algorithmic Approach to English Pluralization.

Table A.1: Irregular nouns

Singular form Anglicized plural Classical plural
beef beefs beeves
brother brothers brethren
child (none) children
cow cows kine
ephemeris (none) ephemerides
genie genies genii
money moneys monies
mongoose mongooses (none)
mythos (none) mythoi
octopus octopuses octopodes
ox (none) oxen
soliloquy soliloquies (none)
trilby trilbys (none)

Table A.2: Uninflected nouns

bison flounder pliers
bream gallows proceedings
breeches graffiti rabies
britches headquarters salmon
carp herpes scissors
chassis high-jinks sea-bass
clippers homework series
cod innings shears
contretemps jackanapes species
corps mackerel swine
debris measles trout
diabetes mews tuna
djinn mumps whiting
eland news wildebeest
elk pincers

Table A.3: Singular nouns ending in a single -s

acropolis chaos lens
aegis cosmos mantis
alias dais marquis
asbestos digitalis metropolis
atlas epidermis pathos
bathos ethos pelvis
bias gas polis
caddis glottis rhinoceros
cannabis glottis sassafras
canvas ibis trellis

Table A.4: Sample ambiguous words (nouns or verbs)

act fight run
bend fire saw
bent like sink
blame look sleep
copy make thought
cut might view
drink reach will

Table A.5: Personal pronouns (nominative, accusative, and reflexive)

1st Person 2nd Person 3rd Person
I -> we you -> you 
thou -> you|ye
she -> they 
he -> they 
it -> they 
they -> they
me -> us you -> you 
thee -> you|ye
her -> them 
him -> them 
it -> them 
them -> them
myself -> ourselves yourself -> yourself 
thyself -> yourself
herself -> themselves 
himself -> themselves 
itself -> themselves 
themself -> themselves 
oneself -> oneselves

Table A.6: Possessive pronouns

1st Person 2nd Person 3rd Person
mine -> ours yours -> yours 
thine -> yours
hers -> theirs 
his -> theirs 
its -> theirs 
theirs -> theirs

Table A.7: Personal possessive adjectives

1st Person 2nd Person 3rd Person
my -> our your -> your 
thy -> your
her -> their 
his -> their 
its -> their 
their -> their

Table A.8: Irregular verbs

1st Person 2nd Person 3rd Person
am -> are are -> are is -> are
was -> were were -> were was -> were
have -> have have -> have has -> have

Table A.9: Uninflected verbs

ate had sank
could made shall
did must should
fought ought sought
gave put spent

Table A.10: -a to -ae

alumna alga vertebra

Table A.11: -a to -as (anglicized) or -ae (classical)

abscissa formula medusa
amoeba hydra nebula
antenna hyperbola nova
aurora lacuna parabola

Table A.12: -a to -as (anglicized) or -ata (classical)

anathema enema oedema
bema enigma sarcoma
carcinoma gumma schema
charisma lemma soma
diploma lymphoma stigma
dogma magma stoma
drama melisma trauma
edema miasma

Table A.13: -en to -ens (anglicized) or -ina (classical)

stamen foramen lumen

Table A.14: -ex to -ices

codex murex silex

Table A.15: -ex to -exes (anglicized) or -ices (classical)

apex latex vertex
cortex pontifex vortex
index simplex

Table A.16: -is to -ises (anglicized) or -ides (classical)

iris clitoris

Table A.17: -o to -os

albino generalissimo manifesto
archipelago ghetto medico
armadillo guano octavo
commando inferno photo
ditto jumbo pro
dynamo lingo quarto
embryo lumbago rhino
fiasco magneto stylo

Table A.18: -o to -os (anglicized) or -i (classical)

alto
contralto
soprano
basso
crescendo
tempo
canto
solo
 

Table A.19: -on to -a

aphelion hyperbaton perihelion
asyndeton noumenon phenomenon
criterion organon prolegomenon

Table A.20: -um to -a

agendum datum extremum
bacterium desideratum stratum
candelabrum erratum ovum

Table A.21: -um to -ums (anglicized) or -a (classical)

aquarium interregnum quantum
compendium lustrum rostrum
consortium maximum spectrum
cranium medium speculum
curriculum memorandum stadium
dictum millenium trapezium
emporium minimum ultimatum
enconium momentum vacuum
gymnasium optimum velum
honorarium phylum

Table A.22: -us to -uses (anglicized) or -i (classical)

focus nimbus succubus
fungus nucleolus torus
genius radius umbilicus
incubus stylus uterus

Table A.23: -us to -uses (anglicized) or -us (classical)

apparatus impetus prospectus
cantus nexus sinus
coitus plexus status
hiatus    

Table A.24: - to -i

afreet afrit efreet

Table A.25: - to -im

cherub goy seraph

Table A.26: -general to -generals

Adjutant Lieutenant Quartermaster
Brigadier Major