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.
trienes trines triens triunes terrenes trueness taurines trainees terrines trones ternes treens trains tarriness teariness turions tureens terrains tourneys terns tarns trannies trans dourines terranes turns direness terreens tyrannies drains tronas drones durians durions dryness dearness dourness tarriance darns durns tyrannise tyrannize tyrannous drowns trance diurons trounce truancy
trienes fieriness heroines serenes sorriness sirens direness purines rareness neurines teariness tarriness terrenes miriness trainees moreness leeriness triens marines triunes gyrenes urines hoariness weariness goriness chariness hairiness chorines furriness renews ernes murines eeriness beeriness serines sureness soreness dourines pyrenes sciurines pureness ternes taurines terrines moraines airiness freeness liernes trines merriness trueness arenes wariness bareness wiriness kernes cheeriness brines shrines
triene triennia train trainee treen trine triune