2822. What character can be added to both of these characters to give other characters? 丘_ -> _宗

丘 KYUU, oka - hill

宗 SHUU, SOU - religion, sect

Add 山:丘+山 山+宗 山 岳 崇

山 SAN, yama - mountain

岳 GAKU, take - mountain peak

崇 SUU - respect, revere, lofty, sublime