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.
suckers sackers sucres skiers sakers soakers soucars seekers scars skerries scaurs scries screes screws scours scares sugars skirrs scores squires sowcars squares seggars secures saggers sucrose sucrase saguaros scurries cigars scarce saggars secrecy
backers shuckers puckers lackers dickers kickers dockers lockers packers rackers tuckers lickers fuckers whickers ickers pickers knickers knackers suckers shockers jackers cockers neckers buckers bickers mockers wreckers dackers knockers hackers muckers hockers shickers checkers rockers duckers whackers deckers ockers sackers wickers peckers nickers tickers tackers gawkers chokers pickeers pikers bakers fakers reekers pokers seekers bikers hookers bookers makers shakers shikkers kiers wakers soakers chukkers lookers tokers hawkers wreakers hikers likers leakers quakers lakers jokers fakeers sakers daikers buckras beakers dikers rakers keirs cookers duikers takers skiers yakkers
sucker sacker sicker suckier sucre