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.
cameos camos cames cams caeomas cammies camas kames comes games combes comose camass camisa combos gambes camise comous commies coombes cwms gams gamas combs gambs gaums comas gambas gammas commas gombos coombs gamays gumbos cumbias gambias gummose gummous
mimeos cameos romeos mos pomos mammies jimmies ramous homeys pomes comose mesa awmous mameys nomes jammies gimmies mimosa limos vamose smews gummous rimous gumbos hommos immies comes amies bombes mummies emeus ammos femmes moos lames games moas mommies ambos memos shammos shammes chymous dimes chimes whammies chamois duomos dames zymes tommies times samosa shimmies siamese shamos tammies demies rimes mammees bimbos ramies cammies limes umbos cymous coombes combes roomies cymes names fumes dumbos moss momes hemes ramees combos comous rimose heaumes gnomes moms fames semes mimes commies mems limbos neumes meows limeys hames gombos maes kames homes meous mess mews gambes cames mows famous emes gimmes homos gummose nomos homies pommies jemmies cymose rhymes biomes ramose camos jumbos tummies mammeys demes haymows mambos rummies mamies jambes domes femes tames memes chammies shammies shames chymes demos chemos wames dummies shamois daimios sumos tomes timeous sambos shamoys shmoes yummies
came cameo cam caeoma cambia cammie camo come game gamey kame acme caecum scam