unanimity vs unification

unanimity

noun
  • The condition of agreement by all parties, the state of being unanimous. 

unification

noun
  • The state of being unified. 

  • Given two terms, their join with respect to a specialisation order. 

  • The act of unifying. 

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