incompetence vs penchant

incompetence

noun
  • Inability to perform; lack of competence; ineptitude. 

penchant

noun
  • A card game resembling bezique. 

  • Taste, liking, or inclination (for). 

  • In the game of penchant, any queen and jack of different suits held at the same time. 

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