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.
bunns buns bunnies bunas banns bonnes bennis bennes bans bennies bens bins beans banes bines benes boons bonus bones beanos bonsai bounce bouncy beanies boonies
bunns sunns uns linns banns lunes huns jinnis funs fauns hennas muons pannes faunas nouns sunnas pinnas shuns conns ruins quins runs guans sennas joannes suns duennas duns tennis tunas tuns goannas puns jinns runes saunas bennis bonnes bennes nans pennis muns nuns annas mannas rouens wynns guns lauans munis siennas cannas bunas buns donnas dunes tauons tonnes tunes lunas punas inns yuans
bunn bunny bun benne benni benny bonne bonnie bonny buna