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.
wrongly wrangle wrinkly rankly wrinkle rankle runkle
longly wrongly wooingly jangly jingly jungly cooingly gangly kingly mongol langley singly snugly dangly dongle tangly tingly shingly
wrong wrang wring wrung prong drongo