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.
cronies crones carnies crannies crowns cranes croons corneas cornice groynes carneys coronas carns curns greenies grannies carrions corns guaranies groans cairns cornus kernes groins kroons gurneys carinas currans garrons careens guaranis greyness goriness grayness corneous greenness grins karns kerns kirns grans queerness grains greens querns korunas
baronies cronies brionies ironies irones trones crones drones crannies ornis carnies guaranies ironize greenies grannies heroines baroness byrnies groynes burnies neurones brownies pyrones brinies trannies baronnes tyrannies
carnie corona coronae crania crone crony croon crown