2010. What character can be added to both of these characters to give other characters? 次_ -> _武

次  JI, tsugi, tsu(gu) - next

武  MU, BU - military

Add 貝:次+貝 貝+武   

貝  KAI - shellfish

資  SHI - resource, capital

賦  FU - tribute, payment, installment