ascension vs scaling

ascension

noun
  • The act of ascending; an ascent. 

  • A transcendence of the material world; a transition to a higher form, state, or plane of existence. 

  • That which rises, as from distillation. 

scaling

noun
  • The act of one who scales or climbs. 

  • The measurement of dimensions using a scale. 

  • The formation of a layer of scale on a surface. 

  • The removal of a layer of scale from a surface. 

  • The process of adjusting sights to a ship's guns. 

  • The expression of the terms of an equation using powers of nondimensional quantities. 

  • The removing of the scales of fish. 

  • The process of adjusting raw measurement data to fit an expected distribution, such fitting examination results to a normal distribution. 

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