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.
dietaries dataries dieters tawdries titres deters tetris detours deodars tidiers deodaras deodorize tatars daters taters doters titers tetras dodders tatters tedders teeters daturas tetters dotters titters tuataras tutoress daughters tattooers
votaries rotaries dietaries dataries notaries tries tares tarres sudaries diaries stares dearies retries poetries tories cauteries tarries votaress dairies potteries feudaries booteries butteries eateries feodaries catteries coteries niteries notarize batteries stories zedoaries lotteries tars tres