cast anchor vs disembark

cast anchor

verb
  • To drop anchor or otherwise moor a ship. 

  • To take up a position. 

disembark

verb
  • To remove from on board a vessel; to put on shore 

  • To go ashore out of a ship or boat; to leave a train or aircraft. 

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