lowbrow vs medium-brow

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. 

medium-brow

adj
  • Of medium sophistication or intellectual level; lying between highbrow and lowbrow; middlebrow. 

  • This channel shows mostly medium-brow programmes. 

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