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.
sarin saurian saran serin serein serine sorn sciurine siren syren serene serrano sierran
sarin rin sciurine morion learn heroin airn bairn earn murein ruin ferine grin rain carn cairn darn murrain carrion mirin marine karn grain bruin rainy yarn sharny terrain shairn chorine durian warn turion train serin barny tarn purin reearn narine dourine rein parian virion herein brainy arraign merino jarina carina burin deraign carny larine brain groin murine varna morrion baron saran purine moraine grainy marina serein garni barn prion serine brine neurine drain farina briny brin taurine saurian trine murrine urine wherein durion chorion sharn terrine shrine yearn
sari sri saree saury sear soar sori osar tsar