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.
ferule ferulae ferrule ferlie ferula farle feral ferly ferial ferrel fierily farl furl frail frill fairly freely frilly verily virile frailly furrily variole
ferrule ferule rule curule truly role burley pyrrole prole parley ruly orle morula charlie barley neurula virile merle girlie birle rale torulae rile ferula morulae ferlie carle torula puerile parole curlew parle charley neurulae trull ferulae farle morale hurley gruel cruel chorale
fer faerie faery fear feirie fere feria feriae ferry feuar fiery