athafnaþrótturnafnorð karlkynBeygingeintalaán greinismeð greininf.athafnaþrótturathafnaþrótturinnþf.athafnaþróttathafnaþróttinnþgf.athafnaþróttiathafnaþróttinumef.athafnaþróttarathafnaþróttarinsnf.þf.þgf.ef.