protection vs safekeeping

protection

noun
  • A means of keeping or remaining safe. 

  • Coverage. 

  • The process of keeping (something or someone) safe. 

  • The state of being safe. 

  • An instance of a security token associated with a resource (such as a file). 

  • Restrictions on foreign competitors which limit their ability to compete with domestic producers of goods or services. 

  • A means, such as a condom, of preventing pregnancy or sexually transmitted disease. 

  • Immunity from harm, obtained by illegal payments, as bribery or extortion. 

safekeeping

noun
  • the act of keeping something safe; protection from harm, damage, loss, or theft 

  • the responsibility of a guardian 

  • not returning checks; a system wherein banks keep checks (cheques) that people write, rather than returning them to the account holder with their monthly statement. 

  • the storage of assets in a protected area 

How often have the words protection and safekeeping occurred in a corpus of books? (source: Google Ngram Viewer )