1196. What character can be added to both of these characters to give other characters? 戸_ -> _宛

Answer:

戸  KO, to - door

宛  ON, EN, ate(ru) - allocate

Add 月:戸+月 月+宛 

月  GETSU, GATSU, tsuki - moon, month

肩  KEN, kata - shoulder

腕  WAN, ude - arm, ability, talent, skill