bullish vs sanguine

bullish

adj
  • Optimistic; overly or foolishly optimistic or hopeful 

  • Aggressively self-confident or assertive; bullheaded 

  • Characterized by rising value. 

  • Having a muscular physique, built 'like a bull' 

sanguine

adj
  • Anticipating the best; optimistic; confident; full of hope. 

  • Characterized by abundance and active circulation of blood. 

  • Having the colour of blood; blood red. 

  • Warm; ardent. 

verb
  • To stain with blood; to impart the colour of blood to; to ensanguine. 

noun
  • A tincture, seldom used, of a blood-red colour (not to be confused with murrey). 

  • Red crayon. 

  • Blood colour; red. 

  • Bloodstone. 

  • Anything of a blood-red colour, as cloth. 

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