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.
sureties sorties syrettes sorites sciurids seriates serrates sorts surds certes cerates cerites sarodes sards sords sourdoughs sarods
reties sureties varieties charities treaties syrettes purities ferities sorties rarities proettes pirouettes parities aretes ariettes barrettes burettes forties creates curettes laureates nereides oreides parietes parties hearties pretties dirties certes ureides verities shorties