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.
trainees trains trines trienes triunes trans terrines terrains terranes taurines trannies treens drains trance triens trones ternes tyrannies teariness tarriness tureens turions terreens terrenes trueness tourneys dourines turns tarns terns tyrannise tyrannous tarriance tyrannize tronas drones trounce dryness durance truancy durions durians dearness direness dourness darns durns drowns
trainees airiness teariness tarriness sorriness neurines sciurines beeriness brines brinies moraines eeriness fieriness weariness urines chariness trines chorines hairiness furriness ranees leeriness taurines dourines serines murines purines merriness marines miriness heroines goriness hoariness wariness triunes wiriness trienes cheeriness terrines shrines
train trainee drain tranny triene triennia trine triune tyranny strain