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.
cheapies chappies chapes cheaps cheapos chaps chippies shapes cheeps chapeaus chips chops chuppas shoppes chuppahs showpiece ships shops
cheapies apes pies hippies gapes guppies chappies capes japes buppies napes nappies pipes puppies spies chippies yippies tapis tawpies whoopies chapes rapes copies cowpies weepies taupes tapes poppies pappies nappes lapis koppies kewpies capias shapes yuppies pes pis
cheap cheapie cheapo chap chape chapeau chappie cheep schappe