flisk vs megrim

flisk

noun
  • A comb with large teeth. 

  • A caper; a spring; a whim. 

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 flisk and megrim occurred in a corpus of books? (source: Google Ngram Viewer )