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.
kraits korats krauts karats karates crits grits karts keratose carats grates griots crates greats groats gratis kurtas creates carates curates curites caritas cowrites keiretsu grots carts grids grads gradus cruets greets grades grides courts cairds curtsy grouts carets quirts curets cartes quarts curtesy carrots quartos garrets quartes grottos garotes cardias croutes curtsey corridas courtesy crowdies curettes garottes garrotes corodies corrades grottoes queridas
kraits traits griots dirts tarts phorates raids seriates gratis harts crits pirates airts jurats braids aerates girts carats writs berates arts frites groats farts heriots ferrites bruits yperites brits narrates charts worrits deaerates urates britts derats sorites cerates prats parts curites veritas laureates krauts carts droits writes norites quirts barites karats fritts korats merits crates variates hearts rats rates riatas grits caritas burritos brats drats prates cowrites verites erratas greats serrates raitas creates borates frats reatas boarts ferrates karates iritis frits muriates curates fruits karts ratos lariats orates rewrites riots derates gyrates carates rites peritus neuritis quarts cerites darts diorites hydrates territs grates treats marts warts chariots pyrites shirts
krait karat karate korat kraut