上級副社長[joukyuufukushachou] senior vice president
正副[seifuku] original and copy
副う[sou] to meet (one's expectations, etc.)
副因[fukuin] secondary cause
副会長[fukukaichou] vice president (of a club or organization, organisation)

副議長[fukugichou] vice-chairman
副業[fukugyou] side job
副見出し[fukumidashi] subhead
副作用[fukusayou] reaction

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