1. radiologia   calligraphy   radiology   accountancy   telegraphy   Hint Half-n-half Clue   2. caligrafia   etiology, aetiology   calligraphy   archeology, archaeology   topology   Half-n-half Clue   3. topologia   aeronautics   theology   topology   radiology   Half-n-half Clue   4. ornitologia   ornithology   accountancy   radiology   choreography   Half-n-half Clue   5. economia   accountancy   economics   cosmetology   aeronautics   Half-n-half Clue   6. entomologia   seismology   telepathy   calligraphy   entomology   Half-n-half Clue   7. cosmetologia   cosmetology   etiology, aetiology   accountancy   telepathy   Half-n-half Clue