caprice vs megrim

caprice

noun
  • A disposition to be impulsive. 

  • A capriccio. 

  • A brief romance. 

  • An unpredictable or sudden condition, change, or series of changes. 

  • An impulsive, seemingly unmotivated action, change of mind, or notion. 

megrim

noun
  • See megrims (“depression; any of various diseases of animals”). 

  • A type of flatfish of the genus Lepidorhombus native to the northeastern Atlantic Ocean; specifically, the Cornish sole, sail-fluke, or whiff (Lepidorhombus whiffiagonis). 

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