privative vs spurious

privative

adj
  • consisting in the absence of something; negative 

  • causing privation; depriving 

  • indicating the absence of something 

noun
  • something that causes privation or indicates an absence 

spurious

adj
  • Extraneous; stray; not relevant or wanted. 

  • False, not authentic, not genuine. 

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