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.
beadles bedless beatless bedels bedells battles budless beetles buddles boodles bodiless buddleias betels botels butles boatels bottles buttals bootless battalias battailous butyls
beadles ladles padles tales idles diddleys coddles meddles boodles muddles deedless middles paddles dalles addles foodless leadless headless heedless doles sodaless cuddles needless chadless nodules widdles weedless poodles toddles doodles roadless seedless peddles odyles daddles raddles cattaloes riddles ruddles huddles deles godless reddles aidless bedless piddles dales diddlies rodless ediles budless medleys saddles dawdles stales audiles aediles ridleys sidles cataloes woodless modules waddles caudles heddles oodles noodles noddles needles puddles buddles wheedles lidless hoodless idealess fuddles fiddles diddles toadless yodles
beadle badly beadily bedel bedell