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.
vainly vinal vinyl finely vineal veinal finally vanilla veinule venally faunally venially venal final faunal finale finial venial venule funnily phonily
vainly gainly inly mainly tinnily noily phonily sunnily sanely punily binal onlay manly wanly bonnily moonily henley final loonily leanly quinol tawnily keenly finely meanly cannily inlay zanily sonly rainily veinal only unlay nonoily tinily queenly lonely funnily vinyl lanely vinal shinily
vain van fain vane vein veiny vina vine vino viny ovine