incapable vs privative

incapable

adj
  • Not in a state to receive; not receptive; not susceptible; not able to admit. 

  • Not capable (of doing something); unable. 

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 

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