Þverbrekkuhnjúkurnafnorð karlkyn · ÖrnefniFallbeygingarEt.eintalaFt.fleirtalaEintalaNf.nefnifallÞverbrekkuhnjúkurÞf.þolfallÞverbrekkuhnjúkÞgf.þágufallÞverbrekkuhnjúkÞverbrekkuhnjúkiEf.eignarfallÞverbrekkuhnjúks