substitution vs supplantation

substitution

noun
  • The act of substituting or the state of being substituted. 

  • The expansion of the lexicon of a language by native means in correspondence to a foreign term. 

  • A substitute or replacement. 

  • The replacement of an atom, or group of atoms, in a compound, with another. 

supplantation

noun
  • The act of supplanting. 

  • The condition of having been displaced. 

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