1. Kosmetik   telegraphy   cosmetology   ornithology   rheology   Hint Half-n-half Clue   2. wirtschaftlich   choreography   economics   cosmetology   etiology, aetiology   Half-n-half Clue   3. Topologie   topology   ornithology   seismology   calligraphy   Half-n-half Clue   4. Archäologie   archeology, archaeology   etiology, aetiology   topology   aeronautics   Half-n-half Clue   5. Ätiologie   etiology, aetiology   sociology   economics   entomology   Half-n-half Clue   6. Vogelkunde   choreography   accountancy   aeronautics   ornithology   Half-n-half Clue   7. Soziologie   accountancy   anthropology   economics   sociology   Half-n-half Clue