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.
scores scours screws sucres screes scares scries secures scars scurries cicorees scarce scaurs sucrose sucrase squires sackers soucars sowcars squares suckers soakers secrecy scariose scarious skerries skirrs sakers sugars skiers saggars saggers seekers seggars saguaros
cores scores gores kors acres regress quackeries ogres equerries caries quaeres corse jaggaries auguries vigours queries caress carries cookeries cares fiacres jaggheries gorsy agoras mockeries coirs corries liquors pakoras vagaries decors chicories daycares chickarees waggeries skerries tigress digress scurries degrees decries scours gurries rookeries squires scares rigors rockeries beggaries eagres screws puggrees pugrees knackeries pugarees kerries greys cooers koras agrees gorse screes curries cicorees sucres quires secures dekares vigors decrees grees puggries ogress cures cries puggarees cowries quarries aggress jaggeries grues curies piggeries crews chickories kyries toggeries cress mucors bakeries hickories nacres fakeries figures buggeries goers ligures kauries recarries wiggeries requires egress rigours rogueries lucres cors scries squares decares decuries doggeries shikarees
score scoriae scoria scree sucre scurry scry screwy screw scary scour scarry scarey scare scar sacra escrow