barbarous vs incessive

barbarous

adj
  • Mercilessly or impudently violent or cruel, savage. 

  • Not classical or pure. 

  • Uncivilized, uncultured. 

  • Like a barbarian, especially in sound; noisy, dissonant. 

incessive

adj
  • Fierce; cruel and aggressive. 

  • Insightful; deep and succinct; incisive. 

  • Intruding inward. 

  • Tending to incite or inflame; incensive. 

  • Intense and active. 

  • Synonym of inessive 

  • Continual or successive; unceasing. 

  • Critical and accurate; incisive. 

  • Included. 

  • Durative. 

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