1. こうくうじゅつ   cosmetology   aeronautics   calligraphy   accountancy   Hint Half-n-half Clue   2. でんしんじゅつ   entomology   telegraphy   etiology, aetiology   archeology, archaeology   Half-n-half Clue   3. せいしかんおう   etiology, aetiology   aeronautics   theology   telepathy   Half-n-half Clue   4. こんちゅうがく   accountancy   radiology   ornithology   entomology   Half-n-half Clue   5. じんるいがく   anthropology   calligraphy   accountancy   cosmetology   Half-n-half Clue   6. かいけがく   sociology   seismology   telepathy   accountancy   Half-n-half Clue   7. せんせいがく   archeology, archaeology   etiology, aetiology   astrology   accountancy   Half-n-half Clue