Philistine vs backwood

Philistine

adj
  • Originating from ancient Philistia; of or pertaining to the ancient Philistines. 

noun
  • In German universities: a person not associated with the university; a non-academic or non-student; a townsperson. 

  • An opponent (of the speaker, writer, etc); an enemy, a foe. 

  • A non-Semitic person from ancient Philistia, a region in the southwest Levant in the Middle East. 

backwood

adj
  • Native to or located in a remote rural location. 

  • Rustic, unsophisticated, countrified. 

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