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.
shattered chattered shuttered chittered shuddered chowdered chytrid
battered reuttered chittered nattered littered tittered puttered fettered shuttered muttered tattered buttered uttered guttered bettered pottered gettered chattered mattered jittered yattered lettered cottered pattered bittered tottered shattered neutered petered loitered teredo watered mitered attired metered teared deterred waitered tiered catered teetered steered
shatter chatter chattery shutter