sad vs sanguine

sad

adj
  • Of colours: dark, deep; later, sombre, dull. 

  • Soggy (to refer to pastries). 

  • Causing sorrow; lamentable. 

  • Appearing sorrowful. 

  • Feeling sorrow; sorrowful, mournful. 

  • Poor in quality, bad; shameful, deplorable; later, regrettable, poor. 

  • Unfashionable; socially inadequate or undesirable. 

sanguine

adj
  • Having the colour of blood; blood red. 

  • Characterized by abundance and active circulation of blood. 

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

  • 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 sad and sanguine occurred in a corpus of books? (source: Google Ngram Viewer )