1. chorégraphie   astrology   sociology   economics   choreography   Hint Half-n-half Clue   2. cosmétologie   archeology, archaeology   cosmetology   ornithology   calligraphy   Half-n-half Clue   3. économique   entomology   accountancy   economics   aeronautics   Half-n-half Clue   4. télégraphie   anthropology   telepathy   entomology   telegraphy   Half-n-half Clue   5. ornithologie   topology   choreography   ornithology   aeronautics   Half-n-half Clue   6. entomologie   ornithology   economics   telepathy   entomology   Half-n-half Clue   7. télépathie   cosmetology   aeronautics   theology   telepathy   Half-n-half Clue