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.
looneys loonies loons leones lowness lioness lines loins lunes lanes loans lions lenes lunies linsey lianes lionize lionise lins lens leanness lance linns lenis leans lawns liens lense lunas linos lenos lanais lanose lauans launce lianas llanos lunacy
phoneys gooneys honeys coneys looneys moneys ones goonies boonies jones donees monies sones ponies loonies pones tones peones phones sheeneys tonnes toonies bonnes phonies hones koines leones sawneys bones lioness tawneys conies peonies zones hyponeas nones cones shinneys ons
looney lone loon leone loonie loony alone clone