downcast vs glad

downcast

adj
  • Feeling despondent. 

  • Looking downwards. 

noun
  • A ventilating shaft down which the air passes in circulating through a mine. 

  • A cast from supertype to subtype. 

verb
  • To cast from supertype to subtype. 

  • To taunt; to reproach; to upbraid. 

glad

adj
  • Pleased, happy, gratified. 

noun
  • A gladiolus (plant). 

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