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.
purge parge peerage perigee parridge porridge porgy pirogi pierogi porridgy
gurge surge purge urge borage dirge forge verge forage sarge mergee marge grudge gorge garage courage peerage moorage barge barrage mirage barege rouge large merge burgee serge rage parge surgy drudge trudge bargee targe charge
pur pour pure puree puri purr spur spurrey spurry