Slavens rhymes with:
craven's, cravens, havens, maven's, mavens, ravens, sarajevan's, sarajevans, avon's, beethoven's, bevans, bevens, bivens, blevens, calvin's, craven's, cravens, devens, divens, donovan's, donvan's, eleven's, elevens, enlivens, evans, evans', evens, givens, havens, heaven's, heavens, hillhaven's, ivens, leavens, levens, maven's, mavens, nivens, nonwovens, ovens, ravens, sarajevan's, sarajevans, scrivens, seven's, sevens, stephen's, stephens, steven's, stevens, stevens', sullivan's, sullivans
Slavens sounds like:
scalping, shelving, slapping, slavinski, sleepiness, sleeping, slip-ons, slipping, slivinski, sloping, sloppiness, slovenes, solvency, solving, sullivan's, sullivans, sylvanus