2131. What character can be added to both of these characters to give other characters? 敬_ -> _果

敬  KEI, uyama(u) - respect, revere

果  KA, ha(tasu) - fruit, result, come to an end

Add 言:敬+言 警 言+果 課  

言  GEN, GON, i(u), koto - say, speech

警  KEI - admonish, warn

課  KA - section, lesson