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.
brins brains bruins burins brines brinies brens barns burns brans birianis brionies browns bourns barons borons bairns brawns burans beeriness burnies boranes barrens bournes byrnies barneys burnous boreens bareness baronies baronnes burnoose brownies baroness brownness brownnose bronze bronzy barrenness
rins grins mirins purins sarins serins brins burins brens jarinas mureins morns marrons marines reearns barons kirns journos cairns karns airns garrons furans liernes bairns heroins sereins horns cornus murines morons prions girons barns mourns farinas parians neurons ruins currans sorns yarns shorans shairns chorions warrens urns turns trines trans terrines terns taurines durns durians dourines darns perrons neurines brans girns groins saurians carrions kernes pornos morions carns ornis learns herns bruins irons bourns hyperons pereions herons purines corns ernes grans rinse moraines varnas burans reruns runs brines marinas wrens barrens reins querns sciurines merinos virions carinas kerns burns grains curns sarans earns firns wyverns bournes rains syrens gyrons ferns frons serines brains porns heroines murrains pyrans borons erns lorans morrions pirns diurons sirens drains durions tarns ternes terrains trains triens turions urines warns chorines churns sharns shrines yearns
brine brin briny burnie burin barn barney barny biriani born borne brain branny bren briony bruin brainy burn bran byrnie