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.
aced acedia acid aceta acidy ascidia aside asset azide azido azote
aced maced diced viced voiced iced juiced laced faced peaced paced pieced raced riced sauced deiced deuced disced