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.
callees calls coalless callus calesa callas caules callous cullies coulees callose gallies galleys collies coles coals clews calos goalless culls galleass clues glees coalesce kales gales cauls galls galeas kayles cullis coalas coleus colies caulis gallus gullies gulleys gallous cullays goalies kellies killies gallows coolies gals cols keelless colessee galliass cowls coils goals cools class close cloze galas cloys claws clays colas keels gulls gleys kails glues kills gaols gules guiles quills galahs coulis quells classy clause quails koalas quolls colossi keyless queleas
callees mallees allees pollees lees cullies rouilles valleys dalles coalless sillies gelees goalless fillies collies mulleys milles ballies sallies mealless belles bailees allies boulles kellies gallies tallies challies tailles willies wellies dellies tulles toolless gullies dollies billies ghillies hulloes rallies volleys folles bellies lollies soulless hilloes heelless holloes helloes follies failles jollies killies sailless bullies mailless mollies filles nellies galleys coulees sullies flees selles felloes rilles alleys malleus melees soilless halloes dallies glees gillies jellies gulleys pulleys keelless hollies doolees tellies fellies tuilles wallies dillies wheelless woollies tailless chillies les
callee call calla callow galley scale scall