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.
eosin eosine essoin esne eocene
eosin rosin sin resiny cassine essoin casino sinh sine sign sain casein quassin lysin assign mission passion raisiny resign rosiny cession scission session design basin cousin cosign casini seisin boson rusine bosun cuisine cassino fusain hessian hosen sasin eosine sozin cosine loosen fission lysine ossein raisin reassign resin cassina chosen