Búrfellshyrnanafnorð kvenkyn · ÖrnefniFallbeygingarEt.eintalaFt.fleirtalaEintalaNf.nefnifallBúrfellshyrnaÞf.þolfallBúrfellshyrnuÞgf.þágufallBúrfellshyrnuEf.eignarfallBúrfellshyrnu