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.
finally final faunally finale finely finial venally vinal venially vineal faunal vainly veinal funnily venal vinyl fennel funnel phonal venial phonily vanilla veinule
anally penally nounally venally tonally finally zonally banally faunally knolly nelly genially lineally hymeneally manually menially biannually biennially annually venially