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.
annal anneal annual anal annul annually anally annuli anil anele anile anole
annal pinnal annul phonal venal nala anal finial annual anneal banal hymenial vinal hymenal lienal manual gunnel penial cannel nail biennale renal runnel xenial zoonal tenail toenail tunnel channel nounal faunal venial kennel genial biannual funnel veinal final fennel finale binal pineal hymeneal biennial vineal hymnal lineal menial cuneal penal canal renail ronnel snail zonal denial tineal tonal unnail chunnel