ascent vs upgrade

ascent

noun
  • An eminence, hill, or high place. 

  • The act of ascending; a motion upwards. 

  • An increase, for example in popularity or hierarchy 

  • The ascender height in a typeface. 

  • The degree of elevation of an object, or the angle it makes with a horizontal line; inclination; gradient; steepness 

  • The way or means by which one ascends. 

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 ascent and upgrade occurred in a corpus of books? (source: Google Ngram Viewer )