890. What character can be added to both of these characters to give other characters? 雨_ -> _各

Answer:

雨  U, ame - rain

各  KAKU, onoono - each, every, various

Add 田:雨+田 田+各 

田  DEN, ta - paddy field

雷  RAI, kaminari - thunder

略  RYAKU - abbreviation, omission