Helgafellskirkjanafnorð kvenkyn · MannvirkiFallbeygingarEt.eintalaFt.fleirtalaEintalaNf.nefnifallHelgafellskirkjaÞf.þolfallHelgafellskirkjuÞgf.þágufallHelgafellskirkjuEf.eignarfallHelgafellskirkju