Appears 4 times in the Quran. (Root: شقو)
  1. On the day when it shall come, no soul shall speak except with His permission, then (some) of them shall be unhappy and (others) happy.

  2. He said: My Lord! surely my bones are weakened and my head flares with hoariness, and, my Lord! I have never been unsuccessful in my prayer to Thee:

  3. And dutiful to my mother, and He has not made me insolent, unblessed;

  4. And I will withdraw from you and what you call on besides Allah, and I will call upon my Lord; may be I shall not remain unblessed in calling upon my Lord.