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.
teredos treads terrets turds trets trots trouts dreads triads tarots treats territs turrets derides toroids dorados treatise tortuous treaties torts tarts derats trades druids tortes tortas traits droids derates dirties hydrids tardies tirades triodes
redos credos teredos uredos reredos reds redds parados marrieds breads ordos creeds redes reads hairdos breeds parodos rereads weirdos redoes weirdoes reeds dorados haeredes jerreeds treads fordoes foredoes oreads bredes dreads greeds creds jereeds heredes nereids shreds
teredo tared teared terete terret tiered tired tread treed tried trued tyred stereoed