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.
brunt brunet burnt brent brant braunite brunette burnet burnout baronet bornite brownout brand barned brandy brined burned brained branned browned
brunt grunt runt hornet print learnt brunet jurant gerent arrant burnet runty brant brent garnet rent hydrant truant warrant rant burnt cornet courant front current rerent parent forint gurnet currant tyrant torrent errant grant carnet gerund horrent hereunto hairnet whereunto
barn barney barny born borne bran branny bren brin brine briny bruin burn burnie byrnie