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.
muhlies mules muleys molies milieus mulleys mollies mealies males mulls miles mauls moles melees milles mullas mailes miauls malice malaise mullahs mallees mooleys mels mils mols mailless mealless milos mools mills malls moils mells molls mewls meals molas mails maills moolas malleus mallows mellows mollahs moolahs
muhlies lies allies dillies milieus willies lollies belies whales gillies gullies sillies tellies hollies colies relies polies bailies gallies dollies mollies lieus shales chillies chilies chiels ballies doylies follies whiles nellies woollies killies dallies holes dahlias wallies jollies jellies coolies kellies holies plies rallies fellies flies tallies sallies goalies hales wellies lilies mealies wholes molies dellies bullies collies doilies billies ghillies bialies walies sullies fillies dailies cullies woolies bellies wheelies ghoulies doolies boughless challies chiles chilis chyles shiels les lis