857. What character can be added to both of these characters to give other characters? 女_ -> _未

Answer:

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

未  MI - not yet

Add 口:女+口 口+未 

口  KOU, kuchi - mouth

如  JO, NYO - equal, like, as, as if

味  MI, aji , aji(wau) - taste