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.
cleats culets callets collets cullets coleads clots clads cults colts collates gleets cultus gloats clouts cloots clades gullets gallets colitis culottes gallates collides colludes calottes galettes quillets galateas galletas gleds kelts glads gluts kilts colds clods claddaghs guilts gaults glouts clouds glides gledes gleeds glutes caulds glades quilts galiots galoots glottis gluteus kilties colloids galliots galloots killdees
bleats cleats pleats kelts alates collets leets valets elates gelatos gallets halts gloats fleets gelates pellets violates oleates leads eluates muletas lats pallets boletus filiates fellates piolets folates howlets felts chelates slates willets wallets sallets toilets delts relets deleads dealates sleets plats gallates palates malates plateaus celts melts pullets coleads pleads cullets flats callets alts mallets maleates ballets valuates platys rillets malts bullets solates elodeas salts toluates palets deletes blets collates gelts bloats bluets plates billets gelatis mullets quillets foliates violets chalets gullets belts culets lets boletes gleets filets galletas millets fillets flatus blats floats palliates welts galateas pelts plaits balatas owlets relates ciliates slats delates dilates cholates
cleat clad claddagh clade clued colead coled culet yclad eclat legality