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.
triens trienes trines treens trains turions triunes tureens trans turns terns tarns taurines trannies trueness terrines trainees terrains terrenes terreens ternes tyrannies tronas tarriness drains trones teariness durians durions tourneys dourines direness terranes durns darns tyrannise tarriance tyrannous tyrannize drowns trance drones diurons dryness trounce truancy dearness dourness
triens arenes turions kerns grannies carinas terrines brens greens arenas drains querns gyrenes rains sciurines baronies brinies burnies pirns cronies marines bairns brains barrens phrensy mirins ferns cairns carrions trienes shairns urines trines trannies terreens durions syrens serenes sarins prions pereions chorines erns bruins terns serins purins neurines boreens moreens wyverns morrions ironies murines heroines groins guaranies crannies heroins moraines virions rouens rins wrens merinos grains preens byrnies brins ruins brownies airns jarinas marinas durians reins grins brines trains carnies greenies kirns tyrannies firns sereins careens farinas murrains girns mureins herns morions rinse parians pyrenes sirens terrains burins chorions brionies pereons purines saurians serines dourines taurines terrenes treens tureens warrens shrines
triene triennia train trainee treen trine triune tureen turion strewn