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.
sola sol soli slaw soul soil slay sole solo selah solei scilla sel sly sal syli seal sloe slue saul sale slow slew seel silo sell sail sill sulu sall cella cilia sally seely selle silly sully zoeal
bola viola cola kola mola moola sola tola chola la