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)

海嘯[tsunami] tsunami
嘯く[usobuku] to exaggerate
空嘯く[sorausobuku] to feign ignorance or unconcern

海嘯[kaishou] tidal bore
虎嘯[koshou] tiger's howling