privative vs thumbs down

privative

noun
  • something that causes privation or indicates an absence 

adj
  • causing privation; depriving 

  • consisting in the absence of something; negative 

  • indicating the absence of something 

thumbs down

noun
  • A rejection or refusal. 

  • A gesture signifying disapproval; a thumb pointing down out of a fist. 

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