1. radiologie   telepathy   topology   radiology   theology   Hint Half-n-half Clue   2. topologie   topology   choreography   telepathy   theology   Half-n-half Clue   3. théologie   telegraphy   astrology   radiology   theology   Half-n-half Clue   4. sociologie   etiology, aetiology   sociology   aeronautics   accountancy   Half-n-half Clue   5. comptabilité   radiology   astrology   telegraphy   accountancy   Half-n-half Clue   6. chorégraphie   accountancy   etiology, aetiology   choreography   theology   Half-n-half Clue   7. aéronautique   aeronautics   astrology   theology   topology   Half-n-half Clue