primitivism vs roughness

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. 

roughness

noun
  • The property of being rough, coarseness. 

  • A measure of how rough something is, such as a surface 

  • Abundance, especially of food. 

  • Roughage; coarse fodder. 

  • Something that is rough; a rough spot. 

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