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

詩篇[shihen] book containing a collection of poems
千篇[senpen] many volumes
続篇[zokuhen] continuation
単語篇[tangohen] glossary
短篇小説[tanpenshousetsu] short story

長篇[chouhen] long (e.g. novel, film)
佳篇[kahen] outstanding poem
千篇一律[senpenichiritsu] humdrum
前篇[zenpen] first part