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.
valeric flueric fluoric
valeric cleric choleric lyric flueric caloric peloric pyloric celeriac telluric chloric choleraic
valor valuer vealer viler volery