1. Rheologie   sociology   rheology   anthropology   astrology   Hint Half-n-half Clue   2. Archäologie   rheology   economics   entomology   archeology, archaeology   Half-n-half Clue   3. Seismologie   seismology   economics   telegraphy   astrology   Half-n-half Clue   4. Astrologie   astrology   telegraphy   sociology   anthropology   Half-n-half Clue   5. Vogelkunde   etiology, aetiology   astrology   telepathy   ornithology   Half-n-half Clue   6. Soziologie   seismology   entomology   sociology   telepathy   Half-n-half Clue   7. Kosmetik   cosmetology   accountancy   archeology, archaeology   rheology   Half-n-half Clue