安危[anki] fate
危うい[ayaui] dangerous
危うく[ayauku] barely
危ない[abunai] dangerous
危ながる[abunagaru] to be afraid of

危なっかしい[abunakkashii] dangerous
危ぶむ[ayabumu] to fear
危める[ayameru] to wound
危絵[abunae] suggestive or indecent picture
危害[kigai] injury

哀史[aishi] sad story or history
医学史[igakushi] history of medicine
音楽史[ongakushi] music history
偽史[gishi] falsified history
教会史[kyoukaishi] church history

近代史[kindaishi] modern history
古史[koshi] ancient history
古代史[kodaishi] ancient history
国史[kokushi] history of a nation
史家[shika] historian

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