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.
cicelies ceaseless sizzles zizzles sisals
cicelies ceilis dieselize ceaseless pusslies noseless nacelles mueslis misallies laceless selles sillies sullies baseless faceless fuseless viceless voiceless houseless iceless issueless juiceless causeless gazelles micelles mislies myceles noiseless pizzelles roselles sallies useless