beinþrotinafnorð karlkynFallbeygingarEt.eintalaFt.fleirtalaEintalaEintala m. greinieintala með greiniNf.nefnifallbeinþrotibeinþrotinnÞf.þolfallbeinþrotabeinþrotannÞgf.þágufallbeinþrotabeinþrotanumEf.eignarfallbeinþrotabeinþrotans