安全[anzen] safety
安全域[anzeniki] safety margin
安全運転[anzenunten] safe driving
安全器[anzenki] safety device
安全期[anzenki] safe period

安全教育[anzenkyouiku] safety education
安全性[anzensei] safety
安全対策[anzentaisaku] safety measure
安全第一[anzendaiichi] safety first
安全地帯[anzenchitai] safety zone

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