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.
breeched breached birched broached brachet brushed brachiate brochette borsht
breeched birched tracheid searched perched marched grutched crutched crouched crotched creeshed freshed broached breached arched reached wretched ruched roached retched reechoed grouched lurched parched preached torched churched