1. economico   telegraphy   economics   accountancy   radiology   Hint Half-n-half Clue   2. ragioneria   ornithology   accountancy   anthropology   seismology   Half-n-half Clue   3. aeronautica   accountancy   theology   aeronautics   economics   Half-n-half Clue   4. telegrafia   aeronautics   anthropology   telepathy   telegraphy   Half-n-half Clue   5. teologia   theology   topology   sociology   economics   Half-n-half Clue   6. telepatia   ornithology   cosmetology   archeology, archaeology   telepathy   Half-n-half Clue   7. radiologia   anthropology   telepathy   etiology, aetiology   radiology   Half-n-half Clue