climb vs upgrade

climb

noun
  • The act of getting to somewhere more elevated. 

  • An upwards struggle 

  • An act of climbing. 

verb
  • To mount; to move upwards on. 

  • To move to a higher position on the social ladder. 

  • to jump high 

  • Of plants, to grow upwards by clinging to something. 

  • To move (especially up and down something) by gripping with the hands and using the feet. 

  • to practise the sport of climbing 

  • To scale; to get to the top of something. 

  • To ascend; rise; to go up. 

upgrade

noun
  • An upward grade or slope. 

  • An improvement 

  • An improved component or replacement item, usually applied to technology 

verb
  • To improve, usually applied to technology, generally by complete replacement of one or more components 

  • To replace with something better. 

  • To improve the equipment or furnishings of or services rendered to 

  • To replace a program with a later version of itself, a version having a higher version number or marketed under a more recent product name. 

  • To improve in condition or status. 

adv
  • Up a slope or grade. 

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