1. calligrafia   calligraphy   telegraphy   ornithology   topology   Hint Half-n-half Clue   2. radiologia   radiology   seismology   topology   choreography   Half-n-half Clue   3. sismologia   entomology   telepathy   rheology   seismology   Half-n-half Clue   4. topologia   anthropology   topology   astrology   economics   Half-n-half Clue   5. coreografia   choreography   entomology   archeology, archaeology   calligraphy   Half-n-half Clue   6. economico   topology   anthropology   astrology   economics   Half-n-half Clue   7. reologia   anthropology   economics   seismology   rheology   Half-n-half Clue