1. sismología   accountancy   seismology   choreography   cosmetology   Hint Half-n-half Clue   2. ornitología   telegraphy   theology   aeronautics   ornithology   Half-n-half Clue   3. telegrafía   entomology   astrology   telegraphy   economics   Half-n-half Clue   4. etiología   calligraphy   etiology, aetiology   telepathy   choreography   Half-n-half Clue   5. topología   telegraphy   topology   theology   anthropology   Half-n-half Clue   6. radiología   aeronautics   radiology   telepathy   etiology, aetiology   Half-n-half Clue   7. telepatía   aeronautics   sociology   calligraphy   telepathy   Half-n-half Clue