Compounds of 滄

• 滄海
  (n) blue waters
• 滄溟
  (n) (obsc) great blue sea
  ocean
• 桑田滄海
  (exp) The word is a scene of constant changes (as a mulberry field changing into a blue sea). (Chinese legend)
• 滄海一滴
  (n) a drop in the ocean (bucket)
• 滄海桑田
  (exp) The word is a scene of constant changes (as the blue sea changing into a mulberry field). (Chinese legend)