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.
zoeas zas zoos seas zees cease sos saws says cees cess sass sews size sous sues sees seis sows soys
toeas zoeas oes pease toes beaus queasy cooeys moas looeys lease keas seas yeahs hoes peas joeys joes hooeys roues poesy does tease sheas goas cooees fease ease easy looies loess koas goes leas boas cease moues voes roes foes zoea teas zoeae noes woes shoes yeas
zoea zoeae zoeas zoa zooey toeas