1. isousuugaku   sociology   topology   theology   entomology   Hint Half-n-half Clue   2. koukoojutsu   aeronautics   etiology, aetiology   accountancy   telegraphy   Half-n-half Clue   3. shyakaigaku   sociology   ornithology   economics   choreography   Half-n-half Clue   4. biyoujutsu   ornithology   cosmetology   entomology   radiology   Half-n-half Clue   5. koukogaku   ornithology   cosmetology   archeology, archaeology   rheology   Half-n-half Clue   6. kaikeigaku   etiology, aetiology   cosmetology   accountancy   telegraphy   Half-n-half Clue   7. jinruigaku   anthropology   etiology, aetiology   telepathy   radiology   Half-n-half Clue