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.
calico colic click gallic cowlick gallica colicky coeliac calk clog klick clack clock caulk cluck calque clique cliquy cloggy cloque galago cliquey killick quaylike
calico phallic rollick plica melic maiolica gallic killick coeliac colic click iliac heliac phylic telic slick wilco salic folic laic cowlick silica celiac relic oleic malic gallica klick flick lick loco aulic beylic flic toluic telco sialic
call calla callee callow calo caul coal coala coaly scale scall scaly