国民【こくみん】
people (of a country), nation, citizen, national, Democratic Party for the People
全国【ぜんこく】
the whole country
外国人【がいこくじん】
foreigner, foreign citizen, foreign national, alien, non-Japanese
国会【こっかい】
National Diet, legislative assembly of Japan (1947-), Imperial Diet, legislative assembly of Japan (1889-1947), legislative assembly, parliament, congress
国家【こっか】
state, country, nation
国内【こくない】
internal, domestic
国際【こくさい】
international, diplomatic intercourse
外国【がいこく】
foreign country
国連【こくれん】
United Nations, UN
中国【ちゅうごく】
China, Chūgoku region (western part of Honshu comprising the prefectures of Okayama, Hiroshima, Yamaguchi, Tottori and Shimane), central part of a country, main region, province of the second lowest rank (ritsuryō system)
大国【たいこく】
large country, major nation, great power, province of the highest rank (ritsuryō system)
国境【こっきょう】
border (between countries), national border
国立【こくりつ】
national, founded and run by the central government
国防【こくぼう】
national defence, national defense
国際的【こくさいてき】
international, worldwide, cross-border, cosmopolitan
国籍【こくせき】
nationality, citizenship, nationality (ship, airplane, etc.), registration, flag
先進国【せんしんこく】
advanced (developed) country, advanced nations
国営【こくえい】
government management, state management
国交【こっこう】
diplomatic relations
帰国【きこく】
return to one's country, return to one's hometown