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.
bekiss becks beaks bikies bookies bigs begs backs bocks bakes books bikes bigos bucks biogs bagass biogas buckos backsaw bagasse baggies because biggies bookoos buckoes bucksaw buggies
kiss bekiss kis tikis duckies kakis zaikais hawkies skies cookies sakis jackies rakis jackass pikis hookies luckies hickies bookies hackies bikies tekkies dickies skis sickies rookies nookies pokies gawkies cuisse kissy kois koss quickies chuckies