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.
coalless goalless callees collies coals calls coles colessee coalesce galleass coalas callas caules colies calesa coleus callus cullies goalies callose coulees galleys colossi gallies cols coolies callous keelless galliass coulisse cools class clews galls cauls goals kales clues cowls culls gales coils colas calos koalas cullis galeas gallus caulis classy quolls coulis kayles gulleys killies gullies keyless kellies gallous cullays gallows gals gaols gules kills claws gleys colza clays kolas cloys cloze koels kohls close glass gloss kails galas glues glees gulls kolos galahs glassy glossa glossy guiles quails quells quills clause
heelless wheelless toolless soilless sailless coalless mailless tailless soulless keelless mealless goalless less loess jollies halloes filles callees gullies galleass ghillies vowless bullies collies holloes folles boughless hollies hulloes helloes gallies bowless gulleys hilloes keyless sullies chillies woollies failles wayless tulles toyless toeless tellies ballies dollies dewless lollies dallies selles galleys fellies valleys billies awless belles mallees rallies milles viewless lawless pollees pulleys felloes allees hueless alleys boulles jawless fillies tailles rilles jellies rayless bless cullies gillies bellies volleys feeless mollies allies dellies nellies joyless malleus rouilles killies sallies mulleys dalles follies dillies sillies tallies tieless kellies tuilles wallies wellies willies challies shoeless les
call coal calla callee callow coala coaly collie colly coolly scall col