privative vs unhopeful

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 

unhopeful

adj
  • Not hopeful. 

noun
  • Somebody who is unlikely to achieve success or victory. 

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