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.
gauntly quaintly cuneately quantally cantal cantle quintal quantal kantele cantala quantile quintile connately candle kindly candela gonadal
auntly gauntly faintly gently jauntily jointly quaintly minutely riantly roundly saintly soundly daintily until