1. [de;di] zhen xue   etiology, aetiology   radiology   rheology   seismology   Hint Half-n-half Clue   2. yuan yin [lun;lun] ，yuan yin [lun;lun]   rheology   radiology   etiology, aetiology   telepathy   Half-n-half Clue   3. [hui;kuai] ji   sociology   cosmetology   anthropology   accountancy   Half-n-half Clue   4. [diao;niao] lei xue   ornithology   anthropology   archeology, archaeology   telepathy   Half-n-half Clue   5. ren lei xue   etiology, aetiology   anthropology   radiology   astrology   Half-n-half Clue   6. she [hui;kuai] xue   archeology, archaeology   sociology   astrology   radiology   Half-n-half Clue   7. [ta;tuo] pu [jie;jie] gou   topology   choreography   ornithology   calligraphy   Half-n-half Clue