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.
carina carinae carn carrion cairn carny corona crania carnie carney cairny careen guarana coronae coreign corn grin karn curn crony crone groin corny cornu crown grain grana croon garni crane krona cranny curran garron grainy koruna guarani
farina carina marina jarina rin koruna hernia carinae bruin cornea brain rain serin herein krona varna grin virion guarana ferine carrion burin groin purin chorion wherein cornua neurine perinea prion sarin frena brin sciurine dourine durian taurine terrine trine heroin corona grain briny ruin hariana arena murein rein larine narine brine marine mirin morrion merino morion murine murrine turion serein grana parian pirana purana purine saurian murrain drain serine durion terrain train trona urine chorine shrine
car acari scarry scarey scare scar cakier agria curio care curie curiae curia coria carry carr scary