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.
bruins brins burins brains brines brinies barns burns brens brans birianis brionies brawns browns burans beeriness barons bourns bairns borons burnous bournes barrens byrnies boreens burnies barneys boranes brownies bareness baronnes burnoose baroness baronies brownness brownnose barrenness bronze bronzy
bruins ruins saurians grins merinos kirns marinas bourns brains brines drains virions taurines moraines bairns heroins jarinas carinas curns farinas burins serins triens shairns chorions murrains urns turns prunes triunes mureins sereins terrines pirns parians durions purines morrions reruns brins runs airns dourines cairns girns heroines runes mirins durns firns rins burns rinse rouens korunas groins marines grains sarins carrions rains reins sciurines purins morions prunus durians neurines pereions terrains mourns serines trines prions turions urines murines chorines churns trains shrines
bruin biriani brain brainy brin brine briny briony burin