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.
sales sals sallies slews slues seals sauls salsa sails soles sloes sailless selles soleus sallows sullies sels sillies sols soulless soilless seels sulus souls solus sells soils sylis solos slaws sills slays silos slice slows zeals selahs sleaze sleazo sleazy sluice solace scillas zealous
ales rales males reales wales bales sales gales shales tales pales vales hales dales whales kales les als fleas gleys poles ghoulies vails leas boughless galls boles alas leys ileus baals heelless halloes heals balas lues collies hails balsa hoyles felloes gullies roles floes volleys malleus halls foals hueless lies viewless bailees keyless phials peals miauls mailes plews pawls values foleys mails ghillies coulees jollies calesa follies bellies relies bals kellies dewless gulleys reals teles melees allees plies keelless polies bialis oles pollees queleas jails gelees belles rials coles piles vowless kayles toolless calos deles wallies toiles gallies soles teals wayless doolees wheelless palls tuilles sals wheals wauls dillies dals dailies tiles tails willies yawls shoeless sheals shauls challies woollies doles failles wholes wellies zeals tulles chilies mooleys sauls doyleys chyles tailles fellies palsy rilles filles mulleys slews rouilles slues jellies boules caules hollies meals sailless rayless bullies poleis pails tellies folles kails peles alleys soulless pleas talls oleos gaols lees guiles hulloes colies killies halos belies boulles mealless voles joules goals voiles glues falls dalles gillies pulleys bless files muhlies clews lawless selles coleus wyles ballies billies bialys rallies clues valleys pals mealies lilies miles glees flees bawls goalless balls flies rails haloes salsa holies feeless mallees haoles galeas bowless awless aals nalas valse fleys joyless malls coalas bialies gules gals helloes biles ails muleys leis holes allies false milles fails flues calls flews awls also cullies mules cauls jouals sails nails hauls duals quails baileys goalies callees mailless blues jawless fillies vials less doolies tieless soleus coolies tallies taels mauls bailies soilless koalas molies sillies doylies alls pileus bails lollies aloes dahls mollies seals veals hilloes holloes toeless moles joles deals coals wawls lalls nellies dollies toles tailless toyless tules pules wails coalless walies riles galas chiles wheelies rules sullies talus dials whiles dellies sallies doilies walls sloes galleys weals talas wiles dallies woolies chalehs chillies shawls shoals sials yules
sale sal sail sall sallow sallowy sally saul seal slew sloe slue sole solei isle