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.
califate kalifate caliphate clift coalified kaliphate clavate cleveite cleft qualified calved golfed gulfed
califate kalifate alleviate bloviate eluviate illuviate salivate sulfate
calif calf caliph cliff cliffy coalify kalif