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.
cultus cults culets cullets colts clots culottes cleats caulds quilts cloots guilts gaults clouts colitis gullets collets callets gluteus quillets calottes collates clods colds kilts gluts clads kelts qualities quaaludes guilds glouts glutes clades gloats clouds gleets kilties glottis galiots coleads galoots gallets galateas collides gallates galletas galliots galloots colloids colludes galettes
cultus pullets alts clots delts boletus gaults ballets saults kilts gilts gluts ballots bullets felts flatus pellets cullets quilts belts blots blats volts maillots valets gullets colts hilts toilets shallots welts tallits zealots slats sallets relets pluteus pilots palets violets jolts wilts slots rillets plats mullets blets malts halts millets howlets molts fillets billets allots holts flats vaults mallets halitus lotus lits altos lilts cults pelts flits filets lats reallots guilts jilts quillets silts lets gluteus bolts dolts collets gallets kelts faults culets callets moults gelts milts helots melts lots owlets plots celts sluts chalets voltes wallets pallets piolets poults rialtos salts slits deltas tilts willets sheltas
cult culti cauld clot clotty colt could culet culled cullet cullied culotte aculeate sculled