I've taken a list of English words, and examined each of them to see what they sound like (using the PHP metaphone function). This page lists the most common metaphone codes, along with their words. You can also search for a word of your own, and see which words sound similar - and which ones rhyme, and which ones alliterate.
flutes flites flouts fluyts flytes volutes flautas folates flits felts flats fealties foliates veloutes filiates fellates fallouts valuates flatus faults floats filets flotas fluids fleets voltes valutas fillets velites violates fluidise fluidize volts folds phyllites felids fields floods valets vaults velleities faulds violets
lutes pollutes elutes volutes ballutes solutes veloutes flutes glutes salutes dilutes fallouts bluets flouts gaults salties folates lattes boletes bailouts solates colludes voltes malates qualities oolites velites halites jollities galettes slates palates vaults kilties allottees polities fellates alates rillettes shelties chelates toilettes dualities dilates deletes dealates zeolites platies saults pelites realties galateas mulattoes pullouts flites glouts pluteus roulettes blighties gluts faults laities velleities pallettes alludes plates foliates lottes fluyts palliates calottes gelates poults phyllites maleates illudes valuates quaaludes oleates violates louts eludes ludes plotties elates clouts valutas nullities fealties eluates culottes illites flautas relates cults blites paillettes mullites flytes leudes gluteus filiates lealties palettes elites collates rollouts realities ciliates moults sellouts sluts gallates zloties delates deludes iolites tillites toluates cholates hyalites
flutey flute fluty felt flat flauta flit flite flota flout flued fluid fluyt flyte