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