1. chorégraphie   rheology   cosmetology   choreography   economics   Hint Half-n-half Clue   2. astrologie   sociology   calligraphy   astrology   theology   Half-n-half Clue   3. sociologie   entomology   theology   calligraphy   sociology   Half-n-half Clue   4. rhéologie   telegraphy   accountancy   rheology   aeronautics   Half-n-half Clue   5. topologie   topology   telegraphy   theology   radiology   Half-n-half Clue   6. anthropologie   theology   aeronautics   anthropology   archeology, archaeology   Half-n-half Clue   7. comptabilité   cosmetology   seismology   accountancy   topology   Half-n-half Clue