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.
drawler drawlier trawler driller droller trailer derailleur drollery droolier triller troller
brawler crawler drawler trawler railer realer brawlier frailer crawlier growler growlier pearler prowler drawlier trailer
drawl drawly drail dural trawl trawley