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.
nearby
nearby arb whereby darb carb grabby garb crabby corby carob carboy carbo ruby hereby herby foreby forby barbe barb orby derby choirboy
near gnar gnarr knar knarry naira nairu narrow nary anear onery snare unary