1703. What character can be added to both of these characters to give other characters? 矛_ -> _奉

Answer:

矛  MU, hoko - halberd, spear

奉  HOU, BU, tatematsu(ru) - offer, present, revere

Add 木:矛+木 木+奉 

木  MOKU, BOKU, ki - tree

柔  JUU, NYUU, yawa(rakai) - soft

棒  BOU - stick, pole