1. Soziologie   rheology   sociology   ornithology   seismology   Hint Half-n-half Clue   2. Anthropologie   theology   entomology   anthropology   telegraphy   Half-n-half Clue   3. Telegraphie   telepathy   calligraphy   rheology   telegraphy   Half-n-half Clue   4. Aeronautik   economics   ornithology   radiology   aeronautics   Half-n-half Clue   5. Buchhaltung   archeology, archaeology   telegraphy   calligraphy   accountancy   Half-n-half Clue   6. Ätiologie   choreography   telegraphy   topology   etiology, aetiology   Half-n-half Clue   7. Theologie   cosmetology   entomology   ornithology   theology   Half-n-half Clue