Crossword clues for Slavic language.:SERBO-- -Croatian (Slavic language)HACEKSlavic language markCZECHSlavic languageRUSSIANPrincipal Slavic language.SERBO__-Croatian: Slavic languageBULGARSlavic language.CROATIANSouth Slavic languageSERBSlavic languageSERBO___-Croatian (Slavic language)BALTO___ Slavic, a European language.