sad vs upbeat

sad

adj
  • Soggy (to refer to pastries). 

  • Causing sorrow; lamentable. 

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

  • Appearing sorrowful. 

  • Feeling sorrow; sorrowful, mournful. 

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

  • Unfashionable; socially inadequate or undesirable. 

upbeat

noun
  • An unaccented beat at the start of a musical phrase. 

adj
  • Having a fast pace, tempo, or beat. 

  • Having a positive, lively, or perky tone, attitude, etc. 

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