illiterati vs lowbrow

illiterati

noun
  • Those who are illiterate or unlearned. 

  • Those who cannot read and write Latin. 

lowbrow

noun
  • Someone or something of low education or culture. 

  • An underground populist visual art movement that arose in the Los Angeles area in the late 1960s, inspired by comics, punk music, graffiti, etc. 

adj
  • Unsophisticated, not intended for an audience of intelligence, education or culture. 

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