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.
rosin rosiny resin resiny rusine raisin resign raisiny reassign ricin risen reason resawn reseen resewn resown rezone raisonne
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
roes brose drossy prosy pross prose gross crosse cross erose eros brosy bros roose arose rows rousseau rouse rosy rose pros proso prossie dross trois