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.
bleat blet blat bluet bloat blate billet boleti bullet balata bolete ballet bullate blot bolt belt bled blade blite baled built blued bleed blotto ballot bolled blight bowled billed belaud bawled bulled bailed belled blotty belied belady bolide balled boiled ballad bailout ballade ballute bellied blighty bullied bald bold
bleat pleat cleat lat let fellate boleti callet collate vallate blat late fillet violate millet lati bloat billet leet howlet bullet elate bluet folate bullate colead blet cullet latu chelate willet pallet toilet delete relet delate dealate slate plead sleet fleet sallet malate pullet mullet gelati pileate alate owlet float balata ballet galleta platy blate quillet gallet plate gleet piolet palet oleate collet gelato muleta gallate valet flat gloat velate violet maleate lead paleate plait palate mallet gelate gullet filet plat galeate bolete pellet relate culet rillet slat slaty solate dealt delead dilate wallet chalet cholate
bale belay bile blae blah blaw blew blue bluey bola bole bylaw able