| Word | 3singular |
|---|---|
| do | does |
| go | goes |
| undergo | undergoes |
| echo | echoes |
| undo | undoes |
| woo | woos |
| veto | vetoes |
| forgo | forgoes |
| video | videoes |
| overdo | overdoes |
| forego | foregoes |
| outdo | outdoes |
| zero | zeroes |
| boo | boos |
| tango | tangoes |
| radio | radios |
| shampoo | shampoos |
| redo | redoes |
| torpedo | torpedoes |
| poo | poos |
| re-echo | re-echoes |
| loco | locos |
| limbo | limbos |
| coo | coos |
| hullaballo | hullaballos |
| outwoo | outwoos |
| drink to | drinks to |
| hullaballoo | hullaballoos |
| cameo | cameos |
| mango | mangoes |
| view halloo | view halloos |
| boo-boo | boo-boos |
| ballyhoo | ballyhoos |
| stereo | stereos |
| dildo | dildoes |
| add up to | adds up to |
| turn into | turns into |
| hullo | hullos |
| underdo | underdoes |
| stiletto | stilettos |
| dial into | dials into |
| build into | builds into |
| check into | checks into |
| forthgo | forthgoes |
| Velcro | Velcros |
| lean into | leans into |
| to and fro | tos and fros |
| velcro | velcros |
| benegro | benegroes |
| lazo | lazos |
| talk down to | talks down to |
| talk into | talks into |
| key into | keys into |
| bow to | bows to |
| reecho | reechos |
| put paid to | puts paid to |
| me too | me toos |
| gecko | geckos |
| repo | repos |
| hang onto | hangs onto |
| buffalo | buffaloes |
| whoo | whoos |
| make do | makes do |
| soprano | sopranos |
| silo | silos |
| get into | gets into |
| stick to | sticks to |
| domino | dominoes |
| atgo | atgoes |
| turn to | turns to |
| go to | goes to |
| haloo | haloos |
| yoyo | yoyos |
| calypso | calypsos |
| heave to | heaves to |
| report to | reports to |
| roshambo | roshambos |
| turn two | turns two |
| heave-ho | heave-hoes |
| mezzotinto | mezzotintos |
| mosquito | mosquitos |
| stampedo | stampedos |
| step to | steps to |
| make into | makes into |
| rip into | rips into |
| yoohoo | yoohoos |
| napoo | napoos |
| gambado | gambados |
| tumble to | tumbles to |
| togo | togoes |
| ASBO | ASBOs |
| overgo | overgoes |
| lie doggo | lies doggo |
| mimeo | mimeos |
| fresco | frescoes |
| misdo | misdoes |
| bastinado | bastinadoes |
| put to | puts to |
| break into | breaks into |
| bedo | bedoes |
| folio | folios |
| bravo | bravos |
| decrescendo | decrescendos |
| lie to | lies to |
| yo-yo | yo-yos |
| have a wild hair to | has a wild hair to |
| QSO | QSOs |
| thoroughgo | thoroughgoes |
| come and go | comes and goes |
| give lie to | gives lie to |
| yeave-ho | yeave-hoes |
| champoo | champoos |
| ditto | dittos |
| alloo | alloos |
| jackaroo | jackaroos |
| kayo | kayos |
| let go | lets go |
| solo | soloes |
| niello | niellos |
| boogaloo | boogaloos |
| get on to | gets on to |
| put up to | puts up to |
| melt into | melts into |
| latch onto | latches onto |
| be able to | is able to |
| salvo | salvos |
| loo | loos |
| camo | camos |
| admire to | admires to |
| pogo | pogos |
| rodeo | rodeos |
| fianchetto | fianchettos |
| loo | loos |
| give rise to | gives rise to |
| run into | runs into |
| nympho | nymphoes |
| hillo | hillos |
| stucco | stuccoes |
| boohoo | boohoos |
| jackeroo | jackeroos |
| tivo | tivos |
| polyfoto | polyfotoes |
| necro | necroes |
| GOTO | GOTOs |
| TiVo | TiVos |
| micro | micros |
| poopoo | poopoos |
| bongo | bongos |
| demo | demos |
| demo | demos |
| lend itself to | lends itself to |
| bunko | bunkos |
| fordo | fordoes |
| bolo | bolos |
| to-and-fro | to-and-fros |
| let someone go | lets someone go |
| litho | lithos |
| photo | photos |
| bolo | bolos |
| come into | comes into |
| hallo | hallos |
| ragoo | ragoos |
| bump into | bumps into |
| buy into | buys into |
| lay into | lays into |
| ace into | aces into |
| halloo | halloos |
| palisado | palisadoes |
| sabo | sabos |
| lace into | laces into |
| manifesto | manifestos |
| kazoo | kazoos |
| give someone the old heave-ho | gives somebody the old heave-ho |
| ammo | ammos |
| peekaboo | peekaboos |
| servo | servos |
| stand to | stands to |
| aggro | aggros |
| come on to | comes on to |
| Kondo | Kondoes |
| pachinko | pachinkos |
| bring to | brings to |
| get onto | gets onto |
| parleyvoo | parleyvoos |
| go combo | goes combo |
| stand up to | stands up to |
| go commando | goes commando |
| detaboo | detaboos |
| retattoo | retattoos |
| cling to | clings to |
| fall to | falls to |
| fandango | fandangos |
| plough into | ploughs into |
| mean to | means to |
| wango tango | wango tangoes |
| beat to | beats to |
| eat for two | eats for two |
| bring up to | brings up to |
| intaglio | intaglios |
| cotton on to | cottons on to |
| heigh-ho | heigh-hos |
| cotton onto | cottons onto |
| eat into | eats into |
| say no | says no |
| come to | comes to |
| stand-to | stands-to |
| pluto | plutos |
| voodoo | voodoos |
| pitch woo | pitches woo |
| typo | typos |
| account to | accounts to |
| cotton to | cottons to |
| look forward to | looks forward to |
| hoodoo | hoodoos |
| look into | looks into |
| moo | moos |
| banjo | banjos |
| dado | dadoes |
| Roneo | Roneos |
| lam into | lams into |
| walk into | walks into |
| dosado | dosados |
| an hero | an heros |
| mambo | mambos |
| embargo | embargoes |
| goo | goos |
| outgo | outgoes |
| see into | sees into |
| impasto | impastoes |
| bamboo | bamboos |
| tattoo | tattoos |
| goo | goos |
| cuckoo | cuckoos |
| hello | hellos |
| enhalo | enhalos |
| promo | promos |
| get stuck into | gets stuck into |
| sgraffito | sgraffitos |
| tally ho | tally hos |
| parlyvoo | parlyvoos |
| look up to | looks up to |
| shoo | shoos |
| back into | backs into |
| sing soprano | sings soprano |
| gherao | gheraos |
| carbonado | carbonados |
| disco | discos |
| tally-ho | tally-hos |
| attend to | attends to |
| kangaroo | kangaroos |
| crack onto | cracks onto |
| tallyho | tallyhos |
| hollo | holloes |
| ghetto | ghettoes |
| halo | haloes |
| come up to | comes up to |
| dig into | digs into |
| slip into | slips into |
| keep to | keeps to |
| plow into | plows into |
| slip it to | slips it to |
| get the memo | gets the memo |
| see to | sees to |
| holloo | holloos |
| metoo | metoos |
| reshampoo | reshampoos |
| bo jio | bo jios |
| taboo | taboos |
| misgo | misgoes |
| tobacco | tobaccos |
| have to | has to |
| lead up to | leads up to |
| rope into | ropes into |
| electro | electros |
| cosy up to | cosies up to |
| bego | begoes |
| gear to | gears to |
| contango | contangos |
| get to | gets to |
| fulldo | fulldoes |
| aim to | aims to |
| light into | lights into |
| lasso | lassoes |
| umbego | umbegoes |
| withgo | withgoes |
| answer to | answers to |
| poo poo | poo poos |
| crescendo | crescendoes |
| strappado | strappados |
| memo | memos |
| tomato | tomatos |
| repro | repros |
| barricado | barricadoes |
| bingo | bingos |
| bunco | buncos |
| KO | KO's |
| hobo | hobos |
| intro | intros |
| squeeze into | squeezes into |
| ingo | ingoes |
| get up to | gets up to |
Note: these words have been obtained from Wiktionary and have been classified and improved through automated computer linguistics processes.