1. accountancy   Aeronautik   wirtschaftlich   Ätiologie   Buchhaltung   Hint Half-n-half Clue   2. anthropology   Soziologie   Archäologie   Anthropologie   Vogelkunde   Half-n-half Clue   3. etiology, aetiology   Ätiologie   Soziologie   Telepathie   Anthropologie   Half-n-half Clue   4. calligraphy   Telegraphie   Kalligraphie   Vogelkunde   Aeronautik   Half-n-half Clue   5. ornithology   Radiologie   Astrologie   Soziologie   Vogelkunde   Half-n-half Clue   6. seismology   Aeronautik   Anthropologie   Seismologie   Soziologie   Half-n-half Clue   7. entomology   Topologie   Rheologie   Kosmetik   Entomologie   Half-n-half Clue