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.
collied colloid cullied collide coled cowled colead called coaled culled coiled collet cooled cold collude gallied collate gullied clued could gaoled callet killed galled goaled gulled cullet quilled quelled gold clod colt gled clad gleed cleat cloud glide yclad glued clade culti cauld glede culet cloddy keloid kiltie gullet guiled cloudy keeled gallet calotte culotte gallate galleta galliot killdee quailed quillet
allied tallied rallied dollied gillied jollied sullied gullied willied jellied collied dallied bullied sallied bellied gallied cullied lied lilied balled helloed mulled helled galled fuelled filled celled nielloed melled gulled polled called dilled holloed dolled quilled jelled dulled shilled chilled belied plied welled tolled tilled pallid killed knelled pilled nulled phyllite relied hulloed lulled flied hollaed vialled pulled hilloed gilled knolled rolled bulled belled milled culled gelled palled mullite collide quelled lolled illite nilled lalled willed colloid hulled halloed billed dialled fulled phylloid bolled folioed malled rilled hilled duelled felled tillite walled woolled shelled yelled led lid
collie colly coolie coolly col