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.
dildos dildoes tildes dilates dilutes toledos deludes deleads daledhs delts tilts dolts deltas delates deletes toilets tuladis dealates tillites
dildos lads clods colds caulds palladous naleds plods helots gelds fields salads reallots sleds lids velds aldose solids allots sialids dildoes faulds tildes allods wealds lots guilds wields woalds gleds chields melds shallots molds lidos ballads holds folds builds silds plots rialtos felids halids slots pilots moulds olds gilds clots clads blots ballots balds welds milds childes maillots wolds glads wilds golds shields bolds toledos bields altos elds zealots yields
dildo dildoe dialed dialled dilate dilled dilute doiled tilde diddled