1. Son Ek “-evi, -hane, -yeri”:
    dormitory, observatory, lavatory;
  2. Son Ek “ … gibi, -e benzer, … ile ilgili”:
    amatory, laudatory, gustatory;
  3. Son Ek “-e yarayan, … üreten, destekleyen”:
    expiatory, justificatory;
  4. Son Ek … mahiyetinde, -layıcı:
    advisory, contributory, declaratory, illusory, preparatory, conciliatory.