bearish vs grumbly

bearish

adj
  • Pessimistic about the future. 

  • Characterized by falling prices. 

  • Resembling or likened to a bear, typically in being rough, surly, or clumsy. 

grumbly

adj
  • Given to grumbling 

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