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.
cranes crannies crones carneys currans carnies cronies corneas grans corns curns carns grannies grayness corneous cairns crowns groans guaranies croons kernes grains cornus careens cornice carinas coronas gurneys groynes guaranis guaranas greenies carrions greyness goriness grins karns kerns kirns greenness queerness greens groins kroons querns garrons korunas currency guernsey
boranes terranes cranes furanes barneys brinies barns fairness baroness ternes runes renews brawns gurneys greenies prunes hairiness byrnies currans baronnes burans rains carns trones harness dryness pyrans grans airiness dourines saurians furriness sharns bareness wariness pureness neurones grains prance miriness crones wornness brownies reearns yarns serenes cheeriness liernes marranos moreness nearness guaranies tyrannies kernes shorans piranas sorriness dearness drains durians terrines trines weariness learns trance rawness eeriness carneys ironies wryness pyrones greyness taurines sureness trainees rance lornness tarriance fieriness hoariness arenes serranos trans groynes gyrenes lorans murines chorines harianas serines murrains baronies marines ironness farness sarans karns urines brains irones corneas crannies cronies earns wiriness burnies merriness triunes beeriness ernes goriness ruanas brownness bournes queerness groans journeys ranis grannies moraines barrenness brionies neurines furans ranees brans heroines shrines soreness tourneys guaranas greenness narrowness grayness leeriness terrains freeness variance birianis parians poorness brines guaranis purines carnies trannies roans prawns trains pyrenes rareness chariness teariness tarriness sciurines tarns drones trueness sheerness dourness durance direness darns puranas sourness terrenes trienes warns yearns
crania crane cranny granny grana carn carney carnie carny corn cornea cornu crone crony curn gran cornua grannie corny scrawny