1. かいけがく   radiology   aeronautics   accountancy   rheology   Hint Half-n-half Clue   2. かげんていこうき   accountancy   rheology   seismology   economics   Half-n-half Clue   3. じしんがく   telepathy   rheology   seismology   radiology   Half-n-half Clue   4. せんせいがく   radiology   cosmetology   astrology   entomology   Half-n-half Clue   5. いんがかんけいがく、   telepathy   radiology   astrology   etiology, aetiology   Half-n-half Clue   6. ちょうるいがく   ornithology   etiology, aetiology   seismology   cosmetology   Half-n-half Clue   7. しゃかいがく   calligraphy   aeronautics   rheology   sociology   Half-n-half Clue