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.
afrit afraid afreet avert afeard afford afeared
afrit frit severity nephrite favorite effort befret verity verite fruit fret fritt frat fort forrit ferrite ferity fart coffret piefort tephrite