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