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.
traits treats territs trots torts tarts trets drats treaties treatise treads tortes droits trouts trades tortas triads tarots derats toroids tardies derates tirades triodes turrets terrets hydrates diorites tortuous tortoise turds dirts darts deaerates druids dreads droids hydrids teredos traduce dorados dirties derides druidess hydrides hydroids
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
trait triode striate striata strati strata strait trite tried tirade triad treaty treat tread trade trad stride