spiritlessness vs yawn

spiritlessness

noun
  • The state or quality of being spiritless. 

yawn

noun
  • The action of yawning; opening the mouth widely and taking a long, rather deep breath, often because one is tired or bored. 

  • A particularly boring event. 

verb
  • To present a wide opening; gape. 

  • To say while yawning. 

  • To open the mouth widely and take a long, rather deep breath, often because one is tired or bored, and sometimes accompanied by pandiculation. 

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