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.
nannie nanny nan naan nana nene nine none gnawn ninny nun
bonnie cannie nannie johnnie monie loonie toonie teniae donnee genie zinnia meanie sheenie weenie pennia goonie panne heinie nine jinni ennui penne jinnee nene benne townie tonne taeniae meinie donne beanie penni wienie pinnae benni pennae biennia none bonne shinney
nannie nanny nan anna annoy fanny canna cannie canny manna naan nana ninny panne tannoy