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.
anear anuria
anear linear near veiner cannier runnier mooner lunier knaur joiner vinery deanery ginner veneer canner bonier inner funnier owner wanier zonary shinier coiner tonier tawnier finer tinier diner canary weiner fainer downier denari senary loonier sonar punnier whinnier bonnier pawner shunner sheenier winery tuner tinnier teenier tanner denier dinner sunnier weaner snare scenery ruiner punier pinery whiner nunnery panner winner cunner boner vainer manner fanner biner fawnier finnier loaner goner gunner keener quinary leaner miner pinner liner hennery knar vanner pioneer lanner caner nary gnarr phonier finery venery binary beanery linier gnar panier kinara seiner hymnary sooner sneer funner vinier conner cannery veinier lunar rainier fawner joinery moaner genera ginnier loner canoer moonier gunnery banner zoner onery fennier punner tinner runner gainer sinner denary denar honer penner downer goonier tannery meaner pinier dinar saner pannier dinero wanner unary toner dunner whinier wennier teener tonner tenner zanier wiener winier wonner weenier shiner shinnery yawner