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.
trones ternes trines tronas drones trienes turions triunes trounce tarns turns terns trans tourneys trainees trueness terranes terrines terrenes taurines trannies trance treens tyrannies tarriness triens trains drowns teariness tureens diurons durions dryness dourines dearness terrains terreens direness dourness darns durns tarriance tyrannise tyrannize tyrannous drains durance durians truancy
irones pyrones drones crones trones neurones corneas brionies borons hairiness carnies cronies farness marines heroines maroons herons girons greenies kroons virions gyrons browns frowns sciurines baronies beeriness journeys byrnies barons greenness merriness greyness purines pereons tourneys carneys sourness groynes neurons grayness kernes perrons renews trines horns ternes trannies tronas trueness goriness tyrannies pereions dourness wariness wiriness chariness serines chorines drowns sheerness morons morions moraines leeriness ironies groans coronas taurines durions gurneys croons gyrenes terrenes nearness roans crannies murines moreness prunes diurons prions barneys crowns fairness cranes brines soreness groins grannies porns airiness ironness sorns corns brownies runes miriness sureness direness bronze liernes morns fieriness burnies boranes frons furriness rawness eeriness furanes garrons irons hyperons dourines baroness ernes wryness brownness baronnes dearness bareness bournes arenes pyrenes morrions narrowness serenes sorriness heroins dryness queerness marrons rareness lornness carrions freeness hoariness harness ranees barrenness teariness triunes poorness terranes brinies neurines trainees guaranies terrines turions pureness trienes urines weariness wornness paranoeas cheeriness tarriness chorions shrines
trone trona drone tarn tern terne torn tranny trine turn strown