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.
cookies cookeys cokes cooks cocks kikes cakes quickies cocos cukes gooks kooks cocoas cuckoos gawkies caiques kegs cogs kecks cocci kicks kakis gowks keeks gogos cocas coxae gucks cacaos guacos kaiaks quacks quakes quicks quokkas
hookies nookies bookies rookies cookies pokies okes bikies hackies cookeys sickies mokes cokes jokes hookeys dickies pokes quickies chuckies hickies tekkies gawkies tokes chokes kikes duckies skies jackies hawkies okehs hokes sokes pokeys luckies yokes kis
cookie cook cookey cooky kookie