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.
quins quinsy quoins quinoas queans quince queens guineas guns kins kinas kinos gains guans cains kains coins kines kinase guanos koines gainsay guanase guanays gunnies cans cons kens
quins ruins uns ins nuns muns faunas vines minus guans peins fauns fins punas mines ennuis veins linns pins dinos tins miens finis tenuis tunes inns sins hins zeins cines coins scions finos lins kines vinas yins shins sines chins chines runes chains wins liens wines whines rains sunns funs zins lunes sains pinas rouens quoins loins rins tains nines dunes ains kains joins bins pians pains vinos muons nouns huns bines linos cains bunns foins ions runs koines seines mains lunas bunas kinos pions guns kinas kins buns fines minis lions minas gins jins rinse puns munis lauans reins pines suns quinsy dines lines duns dins gains tauons cions tunas sinus jinns zines wains whins saunas winos chaines sinhs chinas chinos tines shines shuns tuns yuans
quin quinoa guinea quoin equine quicken squinny