1. ingakankeigaku   astrology   aeronautics   rheology   etiology, aetiology   Hint Half-n-half Clue   2. denshinjutsu   ornithology   aeronautics   telegraphy   cosmetology   Half-n-half Clue   3. seishikanou, terebashii   telepathy   aeronautics   etiology, aetiology   archeology, archaeology   Half-n-half Clue   4. noushyo, nouhitsu   accountancy   calligraphy   telepathy   cosmetology   Half-n-half Clue   5. shingaku   economics   theology   choreography   rheology   Half-n-half Clue   6. isousuugaku   sociology   rheology   topology   calligraphy   Half-n-half Clue   7. kaikeigaku   rheology   accountancy   economics   topology   Half-n-half Clue