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.
sirrees sirees soirees sires sirras sarees sirs sirrahs sierras surreys serries seers seres sores cires cirrus zaires series surras sieurs seeress sorrows cirrous sauries cirrose sris sers soras saros suras ceres soars saris sorus sours sears suers serows source serais surahs cereus serosa serous zeroes serious serosae souaris
bourrees sirrees rees grees prees gharries creese frees parries murreys marries kerries ferries barres berries serries larees harries surreys drees tarres terries wherries worries chirres brees corries quarries jerries gurries sirees rares curries herries perries murries murres lorries hurries carries purees hirees sarees soirees derries durries tarries trees whirries cherries sherries res
sirree sire sierra siree sirra sirrah soiree surrey sir