downside vs privative

downside

noun
  • A disadvantageous aspect of something that is normally advantageous. 

  • A downward tendency, especially in the price of shares etc. 

  • The side of something that is at the bottom, or that is intended to face downward. 

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 downside and privative occurred in a corpus of books? (source: Google Ngram Viewer )