1. radiologie   radiology   topology   choreography   entomology   Hint Half-n-half Clue   2. théologie   telegraphy   rheology   archeology, archaeology   theology   Half-n-half Clue   3. anthropologie   economics   telepathy   anthropology   sociology   Half-n-half Clue   4. comptabilité   accountancy   anthropology   cosmetology   archeology, archaeology   Half-n-half Clue   5. ornithologie   choreography   accountancy   ornithology   astrology   Half-n-half Clue   6. économique   archeology, archaeology   economics   aeronautics   ornithology   Half-n-half Clue   7. cosmétologie   cosmetology   seismology   theology   radiology   Half-n-half Clue