declension vs scaling

declension

noun
  • A way of categorizing nouns, pronouns, or adjectives according to the inflections they receive. 

  • The product of that act; a list of declined forms. 

  • A falling off, decay or descent. 

  • The act of declining a word; the act of listing the inflections of a noun, pronoun or adjective in order. 

scaling

noun
  • 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 act of one who scales or climbs. 

  • 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 declension and scaling occurred in a corpus of books? (source: Google Ngram Viewer )