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.
plead pleiad pled poled paled pleat plaid puled piled plied polled peeled pulled pealed pooled pilled palled paleate plateau plod pileate plat playday payload palladia palet plate plait platy pelite pallet palate piolet pallid plutei ploidy pellet pelota polite pullet palette pollute pallette palliate pelt plot paillette
lead colead plead delead lad led failed fled glade bolled valued gleed holloed lied helled gillied malled fulled bawled hilled galled relaid bellied blued lalled oeillade hilloed muleta laud fuelled jellied filled howled mailed gullied sallied bailed balled mewled glad quilled killed hulled riled bleed nulled dallied nilled glede knelled vialled hollaed doiled foaled pleiad wyled pilled hauled culled polled pled felled toledo bleat cullied puled weald rallied nielloed toiled tooled sled wailed soloed roiled walled wawled lilied dulled roulade whaled whiled willed wooled dialled chiliad dolled shaled shawled shilled soiled shooled tallied yelled muled sullied dueled milled miladi nailed foiled pleat tiled pealed coaled deled heeled reload plaid ceiled piled seeled cleat clad bulled belied mulled lulled called bowled gulled poled quelled pulled veiled sailed pooled mauled jelled boiled gelled malady healed gallied palled reeled naled melled daledh fueled helloed ballade rolled clade dilled miauled lolled flied paled galleta load yclad hailed oiled toled glued allied peeled blade hulloed haloed cowled lewd leud collied gelada fowled belled bled vailed bullied ailed lade leady payload haled iliad halloed belady fouled gaoled filed jollied clued holed jowled coled gled keeled milady vealed voled gilled heiled teledu ruled vialed goaled railed kneeled quailed fooled celled dollied guiled glady belaud ballad flued salad laid cooled coiled knolled jailed baled rilled lady soled waylaid reoiled souled relied tilled tolled sealed tuladi billed plied waled wauled moiled duelled welled slued wheeled wiled willied dialed woolled doled chilled shauled shelled siloed shoaled tailed yawled yowled
plea pilaw pule palea paleae peal pele pilau pale pilea pile pilei play plew plie pole pula splay