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.
steered stereoed stared stored storied sutured stirred starred steroid hysteroid sturdy street stroud strette stretta satyrid stretto stretti stearate start strut sturt strait strata strati stride strode striata striate
steered fettered tiered battered lettered bittered buttered bettered foddered teddered doddered tittered puttered pottered uttered pattered watered nattered chittered mitered shattered loitered shuttered metered teredo gettered powdered guttered cottered laddered juddered jittered catered reuttered tattered deterred teetered petered teared tottered neutered waitered muttered chattered metred chowdered littered shuddered mattered yattered
steer seder stere stereo aster asteria ester