disinclination vs dissatisfaction

disinclination

noun
  • The state of being disinclined; want of propensity, desire, or affection; slight aversion or dislike 

dissatisfaction

noun
  • unhappiness or discontent 

  • the cause of such feelings 

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