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.
oleos oles olios oils owls ollas
oleos les gloss volleys kayles gules hulloes villose boules calos allees blues coalless holloas kellies fellies galleys cloys mailes ballies helios foleys folles piles haloes bialies bellows flees jawless hales fleys haoles billies halloes lilos galeas hollows holies aloes flows voiles bullous lues filles hallos hilloas lose killies milos follows bailees holloos filose bowless floes doilies ghoulies hellos sales belles kolos bless pillows pules values niellos lows fellows hueless mealies glees wyles bailies joules gallous coulees ales gelees rayless jellies collies relies malleus toles slews mulleys dewless hillos toyless wholes doylies dailies molies callees doolies plews olios chalehs willies soilless woolies yellows shales chyles wheelless chillies chiles wayless sheols tailles xylose tellies toeless whales tallows dalles wallies tieless wales fillos sallows cellos rouilles soulless tules allows gullies polies mules pilous mooleys coleus rales vales deles bolos miles callose melees soleus poleis glues lawless slows pollees dollies peles tales rilles alleys fallows loss joles males goalless sillies plows calesa boulles clews floss lies dillies bellies boles hulloos files feeless sailless biles close hilloes viewless gleys cullies jollies follies coolies heelless callous voles gallows ileus queleas vowless coles keyless failles hulloas gallies awless filos clues polos pileus leas jealous alloys rallies valleys glows folios caules holloes felloes gulleys bullies bales flews mailless billows fillies fleas lollies hullos less gillies baileys belows phyllos kilos joyless belies villous hoyles halloas halos halloos hollies leis gales allies lilies blows pileous leys hallows mollies helos pilose loos mellows dallies hollos pulleys ghillies kales muhlies keelless poles boughless helloes tuilles solos roles rules moles soles jellos flues plies selles goalies muleys flies guiles lees riles ploys tailless pales doles polios sloes mallows holes sallies tulles colies whiles oles pleas doolees nolos milles zealous doyleys toolless wiles mallees dellies mealless silos toiles nellies reales woollies slues telos duellos walies dales tallies wellies tiles teles sullies shallows willows wallows challies chilies wheelies cholos chylous shoeless yules