2478. What character can be added to both of these characters to give other characters? 敬_ -> _某

敬  KEI, uyama(u) - respect, revere

某  BOU - a certain, unnamed

Add 言:敬+言 言+某   

言  GEN, GON, i(u), koto - say, speech

警  KEI - admonish, warn

謀  BOU, MU, haka(ru) - plan, plot, deceive