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.
airiness airns arenes arenas arenose arenous
beeriness teariness miriness tarriness chariness airiness eeriness wariness wiriness hairiness fieriness sorriness weariness merriness furriness cheeriness leeriness hoariness goriness fairness dryness terrines harness bareness freeness moreness brownness dourines trines trueness dearness sourness wryness taurines murines brinies trienes greyness moraines soreness triunes greenness sheerness sciurines queerness neurines lornness rareness rawness urines pureness baroness heroines marines ironness grayness direness wornness nearness sureness poorness dourness serines brines trainees purines farness narrowness chorines barrenness shrines