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.
reseat reset resat reseda rest roseate roset wrest reest resit reseed reused resaid russet reside wriest resite russety rosette residue residua rust reissued resod roust rased rusty wrist rosed roost resid recit roast roosed roused raised razeed recede recite wristy raucity risotto
seat misseat reseat miseat disseat set sat roset east posset nauseate fissate knesset reseda cassata asset misset beast fossate sate keyset cosset tasset russety feast peseta beset suet resat least bassett lysate sett reset misate sati seta caseate coset gusset roseate russet basset yeast
resee resew reseau res roes breezy rose freeze rues creese ares cressy brees reuse rise presa press dress trees tress ores grees resow arse resaw breeze reissue frees reis ires resay rase cress rees ruse prees prese drees dressy tres tressy