illiterate vs lowbrow

illiterate

adj
  • Having less than an expected standard of familiarity with language and literature, or having little formal education. 

  • Unable to read and write. 

  • Not conforming to prescribed standards of speech or writing. 

  • Ignorant in a specified way or about a specified subject. 

noun
  • An illiterate person, one either not able to read and write or not knowing how. 

  • A person ignorant about a given subject. 

lowbrow

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

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. 

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