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.
granny cranny grainy gran grannie groan grana grain gurney greeny guarani guarana grin garni crane groin green crony carny grown corny cairny carney crania curran garron groyne koruny greenie
branny cranny granny tranny tyranny rainy runny barny brainy brawny carny grainy sharny