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.
genera genre genro ginner ginnier joiner joinery
genera liner punnier winery punier vinery vainer weaner pinery gainer joiner tinner panner veiner hennery dunner fawner gunnery kinara zoner manner finnier fainer canoer senora cannery near leaner fawnier funnier veneer pawner finery inner conner shinier shunner ruiner scenery sneer synura denier downer sheenier tannery toner wanier weiner whinnier winner tenner loaner owner nunnery caner mooner ginner miner finer pinner whiner runnier sunnier dinero teener tonner loonier goonier fennier biner cunner gunner penner venery phonier boner linear bonnier cannier sinner coiner anear funner meaner deanery lanner bonier linier tanner honer veinier pannier tinnier joinery goner pinier weenier vanner vinier punner winier rainier banner keener fanner loner onery canner moonier ginnier moaner beanery panier pioneer saner sunray dinner teenier tuner lunier whinier tinier shinnery wonner wiener wennier wanner tonier tawnier shiner downier diner zanier sooner seiner runner yawner
gene gen genie genii genoa genu genua gien agene