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