1. 占星学   telepathy   theology   telegraphy   astrology   Hint Half-n-half Clue   2. 鳥類学.   rheology   ornithology   theology   accountancy   Half-n-half Clue   3. 放射線医学.   etiology, aetiology   radiology   entomology   accountancy   Half-n-half Clue   4. 美容術   theology   cosmetology   anthropology   ornithology   Half-n-half Clue   5. 経済学   economics   entomology   radiology   topology   Half-n-half Clue   6. 昆虫学.   seismology   entomology   aeronautics   economics   Half-n-half Clue   7. 加減抵抗器   astrology   rheology   topology   anthropology   Half-n-half Clue