1769. What character can be added to both of these characters to give other characters? 亡_ -> _方

Answer:

亡  BOU, mou, na(i) - die, dead

方  HOU, kata - direction

Add 女:亡+女 女+方

女  JO, NYO, NYOU, onna, me - female, woman

妄  MOU, BOU - without reason, without authority

妨  BOU, samata(geru) - prevent, obstruct, hamper