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

慰問[imon] condolences
一問一答[ichimonittou] answering question by question
演習問題[enshuumondai] practice problem
応用問題[ouyoumondai] application problem
押し問答[oshimondou] dispute

卸問屋[oroshidonya] wholesaler
下問[kamon] enquiry
外交問題[gaikoumondai] diplomatic issue
学問[gakumon] scholarship
学問的[gakumonteki] scholarly