Strong's #2572: kalupto (pronounced kal-oop'-to)
 akin to 2813 and 2928; to cover up (literally or figuratively):--cover, hide.
Thayer's Greek Lexicon:
 ́ 
 
  kaluptō 
 
 1) to hide, veil
 
 1a) to hinder the knowledge of a thing
 
  Part of Speech: verb
Relation: akin to G2813 and G2928
  Citing in TDNT: 3:536, 405
 
Usage:
This word is used 8 times:
Matthew 8:24: "insomuch that the ship  was covered with the waves: but"
Matthew 10:26: "for there is nothing  covered, that shall not be revealed; and"
Luke 8:16: "No man, when he hath lighted a candle,  covereth it with a vessel, or putteth"
Luke 23:30: "and to the hills,  Cover us."
2 Corinthians 4:3: "if our gospel be  hid, it is hid to"
2 Corinthians 4:3: "gospel be hid, it is  hid to them that are lost:"
James 5:20: "from death, and  shall hide a multitude of sins."
1 Peter 4:8: "yourselves: for charity  shall cover the multitude of sins."