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.
salvia saliva salve salvo selva silva sylva silvae sylvae salify slave solve slavey sleave sleeve sleigh slieve
salvia halvah diluvia sylva silva leva pahlavi colluvia clivia clavi illuvia helluva halva lava vulvae vulva volva eluvia bolivia alluvia saliva selva silvae sylvae ulva
sal sail sale sall sallow sallowy sally saul seal