pouting vs scowling

pouting

noun
  • An expression or motion that pouts; a pout. 

  • A fish in the cod family (Gadidae), Trisopterus luscus. 

scowling

noun
  • The act of giving a scowl. 

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