Complex sentence: The word "vârcolac" is a loan from Slavic (cf. Bulgarian "varkolak", "vulkodlak") though the Romanian "vârcolac" is not identical to the Slavic versions.
Split into simpler sentences: The word "vârcolac" is a loan from Slavic (cf. Bulgarian "varkolak", "vulkodlak"). The Romanian "vârcolac", however, is not identical to the Slavic versions.