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.
emeus emes emus ems emcee emmys embays emboss embows embassy
emeus mus mews mesa commies mameys hemes emus games famous limes mimes coombes jammies iambus rhymes muss hames mammies nimbus meous homeys mammees hummus gimmies cames geums muse mems mess femmes ramees lames tommies siamese shimmies tammies shammies shames rimous chymes chammies ramous wamus wames semes roomies mommies times gnomes dummies pomes demes dimes kames zymes mumus cymes mummies neumes combes jimmies maes amus amuse memes awmous immies cameos gimmes homies mamies homes emes neums mammeys fumes ramus femes humus jambes comous mimeos limbus fames gambes amies heaumes limeys comes bombes bemuse biomes pommies jemmies momes cammies names momus rummies mums smews gummous demies dames nomes domes muumuus timeous romeos kombus cymous tummies wammus ramies whammies chimes rimes chymous shammes tames shamus shmoes tomes yummies