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.
loaner loner lanner leaner loonier liner linear linier lunier laniary lunar
caner moaner loaner weaner leaner saner meaner finer panier liner conner keener tuner inner loonier coiner vanner honer phonier rainier loner linier anear goonier lunier goner diner veinier joiner scenery bonier tonier pioneer funnier sinner pinner manor pinier deanery tawnier shunner shinier sheenier wonner winier wiener whinier wennier weenier sooner tinnier tinier teenier downier punnier tanner hennery dinner funner finery zanier canner fainer veneer runnier moonier gunnery punier pawner cunner nunnery gainer punner beanery manner sunnier canoer wanner denier pinery zoner cannier ruiner dunner finnier vinier near fennier mooner pannier fawner veiner panner joinery fawnier biner ginnier genera vinery miner ginner cannery vainer lanner downer seiner banner runner penner onery sneer venery bonnier gunner dinero boner linear tannery fanner tenner teener tinner toner tonner wanier owner weiner whiner whinnier winery winner shanghaier shiner shinnery yawner
loan leone plane clone clan elan alane lown loonie lanai lane lawn lawny lean lain liane liana lion llano loin lone loon looney loony alan alone flan clon plan ulan