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.
boleti bolete bolt blet bleat bluet bolled billet ballet boiled bullet bowled bolide bold bled belt blat blot blued blite baled bleed bloat blade blate built balled blotto belied bawled balata billed ballot blight bailed belled blotty bulled bailout ballade ballute bellied blighty bullate bullied
boleti let bullet filet fillet fleet valet volti bolete gelati cleat culet culti quillet gullet maloti muleta owlet pallet piolet pullet rillet saltie delete wallet chalet galleta bluet blet kiltie billet ballet loti leet lati violet bleat howlet callet collet cullet gleet gallet mallet millet mullet palet pellet pleat relet sallet sleet toilet willet sheltie
bole boll obole abollae able boyla bowl boulle boule bolo bola bale boil bluey blue blew blae bile abolla obol oboli