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.
deterred detoured teetered deuterate deuteride doddered tattered teddered tittered tottered dotard tetrad detrude tutored dehydrate
deterred bittered foddered fettered gettered pottered starred puttered stirred nattered pattered mitered teddered metered doddered tittered loitered uttered guttered watered lettered chittered juddered shattered jittered shuttered catered tarred bettered tattered cottered tiered battered terret powdered steered reuttered buttered neutered petered muttered teetered tarried metred tottered mattered waitered laddered chattered littered chowdered teared shuddered teredo yattered