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.
dourness dourines dryness durns tourneys direness dearness drones diurons durians durance durions trueness taurines turns darns teariness tarriness drains trines ternes trones drowns trounce turions trienes tureens triunes terranes terrenes terrines trannies trainees tyrannies trans tarns terns trains trance treens triens tronas
fairness poorness sourness dearness dourness harness sheerness queerness farness nearness bournes carnies furriness serenes miriness carneys murines merriness hairiness wryness barneys eeriness gurneys burnies grayness beeriness liernes sciurines boranes ernes cranes ternes corneas cheeriness wornness weariness urines trones tourneys terrenes taurines hoariness runes dryness brines crones airiness bareness sorriness marines neurones journeys barrenness moreness fieriness irones pureness gyrenes greenness baroness rawness neurines ironness arenes brownness leeriness freeness greyness prunes byrnies sureness narrowness chorines purines chariness pyrones furanes kernes pyrenes lornness dourines serines rareness direness goriness drones soreness tarriness teariness terranes terrines trines trueness wariness wiriness shrines