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.
kins kains kines kinos kinas koines kinase kens quins koans kaons keens gains kanas kanes kenos cains coins quinsy quoins guineas quinoas gainsay guns cans keenness cons goons canso coons conus kanzu conns cones canes guans gowns
ains joins rains peins lins mains kins kains quins coins gains cains tins dins whins zeins chains sains shins rins jins bins veins ruins reins pins loins pains fins foins quoins gins hins ins wains tains wins zins chins sins yins