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.
quintic quantic kinetic cuneatic cantic kenotic gonadic gonidic
quintic genetic dunitic deontic hypnotic mantic lunatic lentic quantic kinetic kenotic cantic venatic antic phonetic phenetic fanatic enatic biontic antick mannitic ontic zoonotic downtick tonetic
quint quinta quinte quaint quant quanta quinate quinnat quinoid quoined equinity squinnied squint squinty