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.
click colicky cowlick cluck klick clock clack colic calico coeliac klik calk killick cleek caulk cloak cliquy clique gallic cloaca cliquey cloacae gallica killock kolacky quaylike clag clog colloquia
lick rollick cowlick slick flick klick killick click melic relock laic iliac flack folic relic salic pollock oleic klik flic pulik jawlike pealike raylike luck clack malic hoelike sawlike shylock shellack wheylike toluic telic talcky doughlike hillock owllike silica pollack plica cluck beylic gallica plack lawlike clock fleck coeliac lack gallic beylik veillike rollicky rowlock colic calico bullock beelike celiac maiolica slack flock pluck seallike black phylic alike quaylike mullock aulic alack like killock eellike bowlike colicky bowllike heliac belike phallic lock block soullike taillike tealike toelike toylike woollike shlock sialic
laical laically cicala cicale chicle chicly