1. telegraphy   Vogelkunde   Aeronautik   Telegraphie   Theologie   Hint Half-n-half Clue   2. topology   Astrologie   Choreographie   Topologie   Soziologie   Half-n-half Clue   3. etiology, aetiology   Archäologie   Rheologie   Ätiologie   Anthropologie   Half-n-half Clue   4. ornithology   Vogelkunde   Soziologie   Entomologie   Aeronautik   Half-n-half Clue   5. seismology   Choreographie   Vogelkunde   Entomologie   Seismologie   Half-n-half Clue   6. entomology   Vogelkunde   Entomologie   Kosmetik   Radiologie   Half-n-half Clue   7. telepathy   Vogelkunde   Telepathie   Radiologie   Anthropologie   Half-n-half Clue