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.
broached breached birched brachet breeched brachiate brochette brushed borsht
reached preached roached broached breached arched trashed crutched torched crotched reechoed parched crashed lurched breeched grouched grutched retched brachet wretched marched ruched perched rachet searched birched tracheid crouched churched
broach brach brachia breach brioche broche brooch abrachia abroach