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.
malleus mallees males malls mailless mealless milles maills mailes mallows mealies milieus mollies mulleys meals mails mills mules mulls mauls molls mells miles moles miauls malice muleys molies mullas melees mooleys malaise mollahs muhlies mellows mullahs mils mels mols mewls milos moils molas mools moolas moolahs
malleus holloes soilless coalless ileus dallies rallies cullies gulleys sallies gallies wellies gallous keelless gillies lollies hulloes heelless ghillies ballies jellies billies goalless toolless failles villus challies willies tulles tallies dillies sullies sillies rouleaus pileus milieus callous folles felloes alleys boulles allies hollies helloes mollies volleys pulleys valleys dollies follies belles nellies allees lulus callus bullies mulleys mealless killies lieus filles callees wallies collies sailless rilles gallus bullous dalles soleus fellies kellies tellies tailles villous galleys bellies pollees phallus milles halloes hilloes mallees gullies coleus fillies woollies mailless jollies pileous rouilles selles soulless dellies tailless tuilles wheelless chillies les
mallee mallei male mall maile maill mallow mille mulley small