disagreeable vs dissension

disagreeable

noun
  • Something or someone displeasing; anything that is disagreeable. 

adj
  • Causing repugnance; unpleasant to the feelings or senses; displeasing. 

dissension

noun
  • Strong disagreement; a contention or quarrel; discord. 

  • An act of expressing dissent, especially spoken. 

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