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.
reset reseat rest reest wrest roset resit resat reseed reside resite reseda wriest reused russet russety rust roseate residue rosette reissued roust resid rased recit wrist rosed rusty roost resod roast recite recede resaid roosed razeed roused raised wristy residua risotto
beset reset set vesta reseat doughiest best quest suet misseat disseat lest jest seta hygeist seat gusset fiesta basset gest zest asset knesset shiest nest chest west reest testy test russety cesti pesty pest zooiest resit sett roset wriest hest gooiest cosset rest feast coset guest beast tasset wrest besot fest miseat cesta deist zesty heist vest russet siesta feist chesty misset weest hygieist resat posset pesto peseta neist bassett least cheesed east keyset cuesta geste geest doest testa 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