1. contabilidad   calligraphy   accountancy   radiology   choreography   Hint Half-n-half Clue   2. rheología   choreography   accountancy   astrology   rheology   Half-n-half Clue   3. sociología   sociology   calligraphy   theology   topology   Half-n-half Clue   4. entomología   etiology, aetiology   economics   archeology, archaeology   entomology   Half-n-half Clue   5. sismología   choreography   seismology   astrology   accountancy   Half-n-half Clue   6. ornitología   telegraphy   ornithology   astrology   rheology   Half-n-half Clue   7. astrología   cosmetology   accountancy   telepathy   astrology   Half-n-half Clue