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

バイオ素子[baiososhi] bio-device
弗素[fusso] fluorine (F)
一酸化炭素[issankatanso] carbon monoxide
栄養素[eiyouso] nutrient
塩化水素[enkasuiso] hydrogen chloride

塩素[enso] chlorine (Cl)
塩素酸[ensosan] chloric acid
塩素酸塩[ensosanen] chlorate
音楽の素質[ongakunososhitsu] aptitude for music
音素[onso] phoneme

列記[rekki] list
ガリア戦記[gariasenki] History of the Gallic Wars
タイ記録[taikiroku] equal to the current record (in sports, etc.)
ト音記号[toonkigou] G clef
ドル記号[dorukigou] dollar sign ($)

ハ音記号[haonkigou] C clef
ヘ音記号[heonkigou] F clef
位記[iki] court rank diploma
位記追贈[ikitsuisou] conferment of posthumous rank
囲み記事[kakomikiji] (newspaper) column