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.
galeas galas gales galleass galahs gals goalies galleys gallies gleys galls glass gaols glees gules glues glias kales goals galliass goalless gallus calesa coalas kayles callas guiles koalas caules glassy gallous callees queleas glassie gallows gullies gulleys guls coalesce coalless gloss gloze glace cauls colas class glaze clues glows kolas kails coals coles calls clews gulls calos classy glossy quails callus caulis colies coleus glossae callose callous collies coolies kellies keyless killies coulees cullies colessee keelless
leas queleas fleas pleas galeas les las mulleys balas fillies flies boulles blaws collies alleys milles holloes vales leys voiles joules lues kayles clues belays keyless bylaws hoyles bolas mollahs gallies mullahs hallahs blase gales joyless reales baileys gillies gelees ales pulleys leis folles hueless mallees coalless poleis galas slews sallies peles gules fleys awless holies molies goalies hilloas hilloes bless galleass callees boylas bowless values vowless belies heelless ghoulies rayless belles hales riles laws roles lawless less lass glass slays bialies flays keelless sillies foleys koalas dulias tales wallies meals tules wallahs dewless reals tailless pales doolies wayless toles slues mullas doilies dalles toyless wheelless challas willies shoeless sheals chyles cholas chilies chalehs woollies wheals wellies wholes muleys deals chelas doyleys wales deles toiles zeals rales soles tellies kales tiles nullahs molas sailless muhlies clays allies paellas alias dalasi dahlias moolas release plews ballies files mealies class dollies colies cullays fellas teals guiles mailless soulless feeless galahs rouleaus floes seals pilaws jawless polies flaws haoles piles viewless follies plies lilies flues villas holes caules volleys hulas claws bales poles jollies plays glees palais scillas sloes kellies filles gleys blahs moles goalless glias pileus nalas helloes boughless flees rouilles mollies gullies rilles selles ileus kolas oleos halloes mailes coulees bullies aloes gulleys calesa voles holloas galleys fellies killies alas clews haloes jellies bellies biles boles allays bailees violas hollas ghillies halloas fellahs hulloes felloes lase lies billies lease failles lees slaws boules hollies bailies callas coleus lays hulloas coles heals soleus coolies lollies relies glues dailies dales pules blues tieless mules moolahs sales pilaus melees toeless quillais miles males malleus flews valleys please pollees cullies mealless selahs allees rules hylas doolees sullies veals colas teles wyles nellies joles oles rallies challies zillahs dallies doles coalas soilless toolless weals doulas talas tailles relays dillies wallas tulles peals waylays tallies tuilles ollas whiles whales tolas dellies walies doylies chiles delays mooleys wiles wheelies woolies chalahs challahs chillies chollas shales sheilas yules
gale galeae galea gal glue egal gley aglee glee goalie gayly gluey gala gaol galah gaily goal gally kale galley agley gall ogle