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.
gambes games gambs gambas gams gambias cames gamas kames gaums gammas gumbos combes gombos cameos gamays coombes cammies gums cams goombahs goombays combs camos camas comes coombs camise camass combos camisa gummas kombus caeomas commies cumbias gummose gummous
bombes coombes gambes combes jambes mambos kombus limbs bimboes heaumes limes combs jimmies homies femes gumbos bombs pommies gombos mews mammies smews mummies biomes romeos homeys rumbas fumes comes pomes numbs ramees names rimes mommies fames demies siamese shimmies shammes chymes chimbs wombs wames tummies tomes times tames dumbs domes dames ambos sambos zombis gambas cameos cymes mamboes commies rhymes combos mammeys nomes lambies cames nimbus lames jemmies imbues mambas gimmes jammies limeys emes limbus limbas iambs lambs gambs cammies mimes mems gimmies immies mamies emeus jumbos jambs mammees mess mameys coombs games homes bimbos mesa kames memes neumes momes gnomes iambus maes mimeos sambas hemes zombies amies demes zymes hames dimes femmes dummies rummies limbos semes tombs tommies ramies umbos whammies roomies chammies chimes dumbos shames shammies tammies shmoes yummies
gamb gambia gamba gambe gam gamey agama cambia gama gamay gamy gamma game gaum gombo gumbo gammy ogam