1. sismologia   seismology   etiology, aetiology   calligraphy   sociology   Hint Half-n-half Clue   2. aeronáutica   topology   entomology   aeronautics   accountancy   Half-n-half Clue   3. antropologia   anthropology   calligraphy   aeronautics   topology   Half-n-half Clue   4. sociologia   archeology, archaeology   seismology   astrology   sociology   Half-n-half Clue   5. contabilidade   anthropology   calligraphy   radiology   accountancy   Half-n-half Clue   6. arqueologia   accountancy   topology   radiology   archeology, archaeology   Half-n-half Clue   7. reologia   telegraphy   cosmetology   rheology   telepathy   Half-n-half Clue