界 - world, boundary

business world; business circles; (the) industry

World Heritage (site)

Second World War (1939-1945); World War II; WWII; WW2

bureaucracy

around the world; throughout the world

World Bank

worldview; outlook on the world; Weltanschauung

the world of sumo

New World (esp. the Americas, but also Australasia)

world war

(world of) politics; political world; political circles

(foreign) concession (in China); settlement