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.
galenic kaolinic clinic clonic colonic galanga galling gaoling glueing goaling gluing kalong calling coaling guiling gulling
galenic selenic alnico clinic clonic colonic kaolinic melanic pleonic pollinic
galena glen gallein galleon glean