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.
skees sickees skies sakes sykes sikes sokes seeks skews segues segs skis sickies secs suks skas sicks soaks sakis socks sacks segos skuas souks sooks sikas sucks sickos sex soukous sukkahs squeeze sequoias sacs sags sexy sics suqs
ackees skees akees chickees sickees hackees rakees cakes jokes cookeys peeks okehs pokes geckoes hokes okes gawkies pekoes rickeys hawkeys hakes jukes kaes cukes mickeys muggees pukes kues bikes rakes lackeys cooees sickies dikes yikes shakes chuckies fykes weeks wackes tykes tikes takes dukes sykes cookies dickeys hackies skies keys hickeys seeks nukes pikes jakes keas hikes geeks makes quickies ekes rykes jockeys raggees hockeys sikes sakes lakes skews pokies rekeys nookies hawkies kikes mikes hookeys jackies fakes pokeys reeks bakes bikies kegs pekes hookies queues luckies leeks cokes quakes hickies rookies mokes keeks buckoes likes sokes bookies dickies dekes duckies dykes tekkies tokes ukes wakes cheeks chokes shackoes shakoes yokes
skee sake seek sike skew skiey soke syke askew kneesock