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.
chollas cholas challas challahs cholos chelas chills chillis challis chalahs challies chillies chilis shills shools sheols chiles chiels shells shoals chyles chalaza chalehs chilies chylous sheilas shoelace shallows chalazae chalazia shoeless shuls shales shauls shawls sheals shiels chalice
hollas ollas chollas mullas knolls bolas hollos callas cullays quillais folles koalas lolls mollahs mullahs boylas colas allays polls scillas dolls tolas wallahs challahs cholas bolls moolahs nullahs hilloas moolas molls molas kolas violas quolls coalas holloas villas halloas fellas hallahs paellas rolls zillahs doulas tolls wallas challas hulloas follis fellahs las
cholla challa challah challie chally chill chilli chilly chola cholo acholia scholia