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.
ghoulies ghouls ghillies follies voles flies fouls follis ghylls folios foleys voiles folles foliose vowless fellies fillies volleys flews files fleys fleas flues flees fowls fools floes fuels foils foals vales fulls viols falsie filles phials valise values violas
ghoulies lies rallies fillies caules bullies pules gules flies plies doilies colies cullis coulis coolies holies boulles molies rules follies gillies fellies mealies dulias chillies challies woolies wheelies wallies tulles tellies dellies muhlies lilies sillies jollies kellies doolies goalies muleys ghillies boules dailies billies dallies lieus bialies sallies mollies bellies hollies coulees cullies gallies dollies collies polies bailies gullies pulis belies caulis louies relies jellies ballies milieus mules allies nellies guiles doylies killies joules sullies lollies dillies tallies tules walies wellies willies woollies chilies yules les lis