1. topologia   calligraphy   choreography   topology   cosmetology   Hint Half-n-half Clue   2. ragioneria   telepathy   cosmetology   accountancy   aeronautics   Half-n-half Clue   3. reologia   rheology   anthropology   calligraphy   economics   Half-n-half Clue   4. cosmetologia   aeronautics   radiology   cosmetology   etiology, aetiology   Half-n-half Clue   5. economico   economics   astrology   aeronautics   telegraphy   Half-n-half Clue   6. entomologia   telegraphy   etiology, aetiology   entomology   sociology   Half-n-half Clue   7. aeronautica   aeronautics   etiology, aetiology   archeology, archaeology   anthropology   Half-n-half Clue