kedge vs protection

kedge

noun
  • A glutton. 

  • A small anchor used for warping a vessel. 

verb
  • To move with the help of a kedge, as described above. 

  • To warp (a vessel) by carrying out a kedge in a boat, dropping it overboard, and hauling the vessel up to it. 

protection

noun
  • Coverage. 

  • A means of keeping or remaining safe. 

  • 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. 

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