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.
connate connote conte conned cuneate coontie count coned conto county coined cnidae canned cannot coigned quinnat conidia quinate cunt cant canty caned qanat gonad condo cnida kente canoed kenned gannet gunite conoid gowned gunned quinte gahnite gonidia kainite keynote quoined
innate connate tannate pinnate pennate phonate dunnite hennaed zonate mannite senate enate connote hyphenate phenate quinnat lunate manatee cuneate lanate binate ruinate quinate sinuate lineate donate neonate