愛書[aisho] great love of books
愛読書[aidokusho] favourite book
悪書[akusho] harmful book
案内書[annaisho] guidebook
移動図書館[idoutoshokan] mobile library

遺言書[yuigonsho] testament
遺書[isho] note left by dead person
医書[isho] medical book
一つ書き[hitotsugaki] an item
一書[issho] one letter

移籍[iseki] changing household registry
医籍[iseki] register of physicians
縁籍[enseki] relatives
学籍[gakuseki] school register
軍籍[gunseki] military or naval register

原籍[genseki] original domicile
戸籍[koseki] census
戸籍係[kosekigakari] family registration official
国籍[kokuseki] nationality
国籍言語[kokusekigengo] national language