厳粛[genshuku] gravity
綱紀粛正[koukishukusei] eliminating corruption among government officials
自粛[jishuku] self-control
粛として[shukutoshite] quietly
粛学[shukugaku] school purge

粛軍[shukugun] army purge
粛殺[shukusatsu] withering
粛正[shukusei] regulation
粛清[shukusei] (political) purge
粛党[shukutou] cleaning up (political party)

安静[ansei] rest
安静時[anseiji] resting
閑静[kansei] quiet (e.g. neighbourhood, neighborhood)
頸静脈[keijoumyaku] jugular vein
寝静まる[neshizumaru] to fall asleep

静か[shizuka] quiet
静けさ[shizukesa] stillness
静岡県[shizuokaken] Shizuoka prefecture (Chuubu area)
静穏[seion] serene
静観[seikan] watchful waiting