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.
fluids fluidise felids folds flits fluidize floods flouts flatus fluyts faulds flutes flites fields flautas filiates fealties fallouts foliates velds flats felts phylloids flotas floats flytes fleets filets faults fillets folates valutas velites volutes fellates valuates veloutes
fluids toluids faulds eludes felids builds bolides elides quaaludes milds guilds plaids colludes ceilidhs slides collides solids caulds deludes illudes alludes lauds cheloids sialids belauds moulds haloids gilds halides meloids iliads leudes leuds phylloids lids loids lidos halids ludes pleiads keloids silds glides sloids colloids solidus clouds toluides wilds chiliads hyaloids
fluid felid filiate flauta flied flit flite flout flued flute flutey fluty fluyt foliate folioed