primitiveness vs primitivism

primitiveness

noun
  • The quality or state of being primitive. 

primitivism

noun
  • The state or quality of being primitive. 

  • Any of a group of related styles in the arts, influenced by a belief in the superiority of primitive forms. 

  • The opinion that life was better or more moral among primitive peoples, or among children, and has deteriorated with civilization. 

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