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

治癒[chiyu] healing
全癒[zenyu] complete healing
平癒[heiyu] recovery
癒える[ieru] to recover
癒やす[iyasu] to heal

癒着[yuchaku] adhesion (medical)
癒合[yugou] agglutination
腹癒[haraise] retaliation
快癒[kaiyu] recovery
渇を癒やす[katsuwoiyasu] to quench one's thirst