Play word 国字問題 国字問題 こくじもんだい issues pertaining to a nation's script (e.g. standardization of kanji in Japanese)
Play word 国籍留保 国籍留保 こくせきりゅうほ reservation of Japanese nationality (procedure used with children born outside Japan)
Play word 国恥記念日 国恥記念日 こくちきねんび day of national humiliation (used in China for certain anniversaries of incidents where Japan humiliated China)
Play word 国土技術政策総合研究所 国土技術政策総合研究所 こくどぎじゅつせいさくそうごうけんきゅうじょ National Institute for Land and Infrastructure Management
Play word 国内留学 国内留学 こくないりゅうがく studying (temporarily) at another institution (in the same country as the institution one belongs to)