impediment vs privative

impediment

noun
  • A hindrance; that which impedes or obstructs progress. 

  • Baggage, especially that of an army; impedimenta. 

  • A disability, especially one affecting the hearing or speech. 

privative

noun
  • something that causes privation or indicates an absence 

adj
  • causing privation; depriving 

  • consisting in the absence of something; negative 

  • indicating the absence of something 

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