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.
kola koala cola kolo koel kohl coala col goal claw cowl glia gala kill kail cool kilo cole coil keel kale clay gaol coly coal coyly colly cooly galah coaly calla galea golly kelly quoll
bola viola cola kola mola moola sola tola chola la