discordant vs incessive

discordant

adj
  • Serodiscordant. 

  • Not in harmony or accord. 

  • Of opposite sign. 

  • Harsh or dissonant-sounding. 

  • Of a differing type of rock cutting across a formation. 

incessive

adj
  • Durative. 

  • Insightful; deep and succinct; incisive. 

  • Intruding inward. 

  • Tending to incite or inflame; incensive. 

  • Intense and active. 

  • Synonym of inessive 

  • Fierce; cruel and aggressive. 

  • Continual or successive; unceasing. 

  • Critical and accurate; incisive. 

  • Included. 

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