1. rheología   etiology, aetiology   archeology, archaeology   rheology   accountancy   Hint Half-n-half Clue   2. arqueología   cosmetology   choreography   archeology, archaeology   entomology   Half-n-half Clue   3. cosmetología   cosmetology   economics   etiology, aetiology   telepathy   Half-n-half Clue   4. etiología   accountancy   economics   radiology   etiology, aetiology   Half-n-half Clue   5. aeronáutica   radiology   archeology, archaeology   accountancy   aeronautics   Half-n-half Clue   6. coreografía   choreography   sociology   entomology   aeronautics   Half-n-half Clue   7. sociología   telegraphy   accountancy   sociology   rheology   Half-n-half Clue