971. What character can be added to both of these characters to give other characters? 加_ -> _黄

Answer:

加  KA, kuwa(eru), kuwa(waru) - add, append, join, take part

黄  KOU, OU, ki - yellow

Add 木:加+木 木+黄 

木  MOKU, BOKU, ki - tree

架  KA, ka(keru), ka(karu) - hang, build (a bridge)

横  OU, yoko - side