debark vs dismount

debark

verb
  • To disembark. 

  • To devocalize (a dog). 

  • To unload goods from an aircraft or ship. 

  • To remove the bark from a tree, especially one that has been felled. 

dismount

verb
  • To come down; to descend. 

  • To throw (cannon) off their carriages. 

  • To make (a mounted drive) unavailable for use. 

  • To (cause to) get off (something). 

noun
  • The part of a routine in which the gymnast detaches from an apparatus. 

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