antagonist vs anti

antagonist

noun
  • One who antagonizes or stirs. 

  • An opponent or enemy. 

  • A muscle that acts in opposition to another. 

  • A chemical that binds to a receptor but does not produce a physiological response, blocking the action of agonist chemicals. 

  • The main character or force opposing the protagonist in a literary work or drama. 

anti

noun
  • A person opposed to a concept or principle. 

  • A fan who objects to a particular creator, franchise, fandom, character, ship, etc., especially on moral or sociopolitical grounds. 

adj
  • That has a torsion angle between 90° and 180° 

  • Opposed to something. 

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