1. Entomologie   anthropology   sociology   telepathy   entomology   Hint Half-n-half Clue   2. Telegraphie   aeronautics   economics   calligraphy   telegraphy   Half-n-half Clue   3. Topologie   topology   accountancy   telegraphy   aeronautics   Half-n-half Clue   4. Kalligraphie   anthropology   calligraphy   seismology   topology   Half-n-half Clue   5. Archäologie   radiology   rheology   archeology, archaeology   entomology   Half-n-half Clue   6. Telepathie   telepathy   sociology   telegraphy   seismology   Half-n-half Clue   7. Anthropologie   ornithology   anthropology   rheology   telegraphy   Half-n-half Clue