1. Theologie   theology   topology   cosmetology   radiology   Hint Half-n-half Clue   2. Vogelkunde   ornithology   theology   telegraphy   sociology   Half-n-half Clue   3. Choreographie   etiology, aetiology   choreography   cosmetology   ornithology   Half-n-half Clue   4. Kosmetik   telepathy   accountancy   cosmetology   economics   Half-n-half Clue   5. Aeronautik   economics   aeronautics   ornithology   anthropology   Half-n-half Clue   6. Archäologie   anthropology   cosmetology   archeology, archaeology   sociology   Half-n-half Clue   7. Seismologie   anthropology   seismology   entomology   calligraphy   Half-n-half Clue