1. Theologie   seismology   archeology, archaeology   theology   economics   Hint Half-n-half Clue   2. Topologie   accountancy   topology   anthropology   seismology   Half-n-half Clue   3. Astrologie   ornithology   sociology   astrology   rheology   Half-n-half Clue   4. Kosmetik   calligraphy   etiology, aetiology   astrology   cosmetology   Half-n-half Clue   5. Kalligraphie   calligraphy   telepathy   sociology   telegraphy   Half-n-half Clue   6. Anthropologie   rheology   anthropology   accountancy   sociology   Half-n-half Clue   7. Rheologie   telegraphy   accountancy   rheology   theology   Half-n-half Clue