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.
salve slave solve salvo silvae saliva salvia slavey sleave sleeve slieve sylvae selva silva sylva salify sleigh self
halve valve calve salve delve lave sylvae leave glaive live slave belive salvo helve love relive sleave olive alef glove halva alive releve silvae clave slavey cleave solve clove deleave vulvae shelve
sal sail sale sall sallow sallowy sally saul seal