disjunction vs supplantation

disjunction

noun
  • The act of disjoining; disunion, separation. 

  • A logical operator that results in “true” when some of its operands are true. 

  • The proposition resulting from the combination of two or more propositions using the or operator. 

  • The state of being disjoined, contrasting, or opposing. 

  • During meiosis, the separation of chromosomes (homologous in meiosis I, and sister chromatids in meiosis II). 

supplantation

noun
  • The act of supplanting. 

  • The condition of having been displaced. 

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