abide abode,abided
addendum addenda
alga algae 
alumna alumnae 
alumnus alumni 
am was
analysis analyses 
antenna antennas,antennae 
apparatus apparatuses 
appendix appendices,appendixes 
are were,been
arise arose,arisen
awake awoke,awaked,awoken
axis axes 
bacillus bacilli 
bacterium bacteria 
basis bases 
be was,been
bear bore,borne,born
beat beaten
beau beaux 
befall befell,befallen
beget begot,begotten
begin began
behold beheld
bend bent
bereave bereaved,bereft
beseech besought,beseeched
bespeak bespoke,bespoken
bestrew bestrewed,bestrewn
bestride bestrode,bestrid,bestridden
bet betted
betake betook,betaken
bethink bethought
bid bade,bidden
bide bode,bided
bind bound
bite bit,bitten
bleed bled
bless blessed,blest
blow blew,blown
break broke
breed bred
bring brought
broadcast broadcasted
browbeat browbeat browbeaten
buffalo buffalos,buffaloes
build built,built
bureau bureaus 
burn burnt,burned
bus busses,buses 
buy bought 
cactus cactuses,cacti 
calf calves 
can could 
catch caught
chide chided,chid,chidden
child children 
choose chose,chosen
cleave clove,cleft,cloven,cleft
cling clung
clothe clothed,clad
corpus corpora,corpuses 
creep crept
crisis crises 
criterion criteria 
crow crowed,crew
curriculum curricula 
dare dared,durst
datum data 
deal dealt
diagnosis diagnoses
die dice 
dig dug
dive dived,(US)dove
do did,does,done
draw drew,drawn
dream dreamt,dreamed
drink drank
drive driven
dwarf dwarfs,dwarves 
dwell dwelt
eat eaten
echo echoes 
elf elves 
ellipsis ellipses 
embargo embargoes 
emphasis emphases 
erratum errata 
fall fallen
feed fed
feel felt
fight fought
find found
fireman firemen 
fish fishes 
flee fled,fled
fling flung
fly flew,flown
focus focuses 
foot feet 
forbear forbore,forborne
forbid forbade,forbad,forbidden
forecast forecasted
foreknow foreknew,foreknown
foresee foresew,foreseen
foretell foretold,foretold
forget forgot,forgotten
forgive forgave,forgiven
formula formulas 
forsake forsook,forsaken
forswear forswore,forsworn
freeze froze,frozen
fungus fungi,funguses 
gainsay gainsaid,gainsaid
genus genera 
get got,(US)gotten
gird girded,girt
give gave,given
go went,gone
goose geese 
grave graved,graven
grind ground
grow girew,grown,grew
half halves 
hamstring hamstringed,hamstrung
hang hung,hanged
has had
have had
hear heard
heave heaved,hove,hesved
hero heroes 
hew hewed,hewn
hide hid,hidden
hippopotamus hippopotami,hippopotamuses 
hold held
hoof hoofs,hooves 
hypothesis hypotheses 
index indices,indexes 
inlay inlaid,intaid
is was
keep kept
kneel knelt
knife knives 
knit knitted,knit
know knew,known
lade laded,laden
lay laid
lead led
leaf leaves 
lean lesnt,leaned
learn learnt,learned
leave left
lend lent
lie lay,lain
life lives 
light lit,lighted
loaf loaves 
lose lost
louse lice 
make made
matrix matrices 
mean meant 
medium media 
meet met
melt melted,meited,molten
memorandum memoranda 
millennium millenniums,milennia 
miscast miscast
misdeal misdealt,misdealt
misgive misgave,misgiven
mislay mislaid
mislead misled
misspend misspent
mistake mistook,mistaken
misunderstand misunderstood,misunderstood
mosquito mosquitoes 
mouse mice 
mow mowed,mown,(US)mowed
nebula nebulae,nebulas 
neurosis neuroses 
nucleus nuclei 
octopus octopi,octopuses 
outdo outdid,outdone
outgo outwent,outgone
outgrow outgrew,outgrown
outride outrode,outridden
outrun outran
outshine outshone
overbear overbore,overborne
overcome overcame
overdo overdid,overdone
overhang overhung
overhear overheard
overlay overlaid
overleap overleapt,overleaped
overlie overlay,overlain
override overrode,overridden
overrun overran,overun
oversee oversaw,overseen
overshoot overshot
oversleep overslept
overtake overtook,overtaken
overthrow overthrew,overthrown
ovum ova 
ox oxen 
paralysis paralyses 
parenthesis parentheses 
partake partook,partaken 
pay paid
person people 
phenomenon phenomena 
potato potatoes 
prechoose prechose,prechosen 
prove proved,proven 
quit quitted
radius radii,radiuses
read read[red]
reave reaved,reft
rebind rebound
rebuild rebuilt
redo redid,redone
reeve rove,reeved
relay relaid
remake remade
rend rent
repay repaid
rerun reran
retell retold
rewrite rewrote,rewritten
rid ridded,rode,ridden,red,redded
ride ridden
ring rang,rung 
rise rose,risen 
rive riven,rived 
run ran
saw sawed,sawn
say said
scarf scarfs,scarves 
scissors scissors 
see saw
seek sought
self selves 
sell sold
send sent
sew sewed,sewn
shake shook,shaken
shall should
shave shaved,shaven 
shear sheared,shorn
shelf shelves 
shine shone,shined
shoe shod
shoot shot
show showed,shown
shred shredded
shrink shrank,shrunk,shrunken
shrive shrove,shrived,shriven
sing snag 
sink sank,sunk,sunken 
sit sat
slay slew,slain 
sleep slept
slide slid,slidden 
sling slung
slink slunk
smell smelt,smelled
smite smote,smitten
sow sowed,sown
speak spoke,spoken 
speed sped,speeded
spell spelt,spelled
spend spent
spill spilt,spilled
spin span
spit spat
spoil spoilt,spoiled
spring sprang,sprung
stand stood
stave staved,stove
steal stole,stolen 
stick stuck
stimulus stimuli 
sting stung
stink stank,stunk
stratum strata 
strew strewed,strewn
stride strode,stridden,strid
strike struck,stricken 
string strung
strive strove,striven
swear swore,sworn 
sweat sweated
sweep swept 
swell swelled,swollen
swim swam
swing swung
syllabus syllabi,syllabuses 
symposium symposia,symposiums 
synopsis synopses 
synthesis syntheses 
tableau tableaux 
take took,taken
teach taught
tear tore,torn 
tell told 
that those 
thesis theses 
thief thieves 
think thought,tought
this these 
thrive throve,ghrived,thriven,thrived
throw threw
tomato tomatoes 
tooth teeth 
torpedo torpedoes
tread trod,trodden
unbend unbent
unbind unbound
unbuild unbuilt
underbid underbidden
underbuy underbought
underdo underdid,underdone 
underfeed underfed
undergo underwent,undergone 
underlay underlaid
underlie underlay,underlain 
underpay underpaid
underrun underran
undersell undersold
undershoot undershot
understand understood
undertake undertook,undertaken 
underwrite underwrote,underwritten 
undo undid,undone 
undraw undrew,undrawn
unfreeze unfroze,unfrozen 
ungird ungirded,ungirt
unhang unhung
unknit unknitted
unlade unladed,unladen
unlay unlaid
unlearn unlearnt,unlearned
unmake unmade
unreeve unrove,unreeved
unsay unsaid
unsling unslung
unspeak unspoke,unspoken 
unstick unstuck
unstring unstrung
unswear unswore,unsworn 
unteach untaught
unthink unthought
untread untrod,untrodden
unweave unwove,unwoven 
unwind unwound
upbuild upbuilt
uphold upheld
uprise uprose,uprisen 
upsweep upswept
upswing upswung
vertebra vertebrae 
veto vetoes 
vita vitae 
wake waked,woke,woken
watch watches 
waylay waylaid
wear wore
weave wove,woven 
wed wedded
weep wept
wet wetted
wife wives 
will would
win won
wind winded,wound
wit wist
withdraw withdrew,withdrawn 
withhold withheld
withstand withstood
wolf wolves 
woman women 
work worked,wrought
wring wrung
write wrote,written 
zero zeros,zeroes 