1. económico   sociology   anthropology   economics   theology   Hint Half-n-half Clue   2. coreografía   ornithology   choreography   radiology   rheology   Half-n-half Clue   3. aeronáutica   entomology   seismology   aeronautics   sociology   Half-n-half Clue   4. telegrafía   telegraphy   telepathy   archeology, archaeology   economics   Half-n-half Clue   5. telepatía   telepathy   choreography   entomology   aeronautics   Half-n-half Clue   6. antropología   anthropology   etiology, aetiology   astrology   telegraphy   Half-n-half Clue   7. arqueología   accountancy   archeology, archaeology   astrology   telepathy   Half-n-half Clue