privative vs undemonstrative

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 

undemonstrative

adj
  • Not given to showing emotion or feelings; reserved or distant. 

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