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.
idealize idealise idolize idealess ideals idealless idolise idlesse idles idols idyls idylls
dualize vitalize feudalize totalize mutualize metalize idealize ritualize idealise reutilize totalise dialyze stylize idolize catalyze vitalise metallize metalise utilize