Slaven rhymes with:
glavan, lavan, laven, cavan, caven, craven, gavan, gaven, glavan, graven, haven, kavan, lavan, laven, maven, ravan, raven, sarajevan, shaven, unshaven
Slaven sounds like:
salvina, salvino, schlobohm, sclafani, silvana, slavin, slavonia, slepian, sleven, slevin, slip-on, slovene, slovenia, slovenian, slovonia, sullivan, sylvain, sylvan, sylvana, sylvania