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.
golfs gulfs gliffs calfs clefs coalifies califs cliffs gloves glyphs kalifs kloofs glaives qualifies
golfs rolfs wolfs selfs alfas delfs selloffs loafs pilafs loofas loofs alefs alifs pelfs boiloffs sulfas falloffs califs clefs gulfs kalifs kloofs calfs