insignificant vs privative

insignificant

adj
  • Without meaning; not signifying anything. 

  • Not significant; not important, inconsequential, or having no noticeable effect. 

privative

adj
  • indicating the absence of something 

  • causing privation; depriving 

  • consisting in the absence of something; negative 

noun
  • something that causes privation or indicates an absence 

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