chirpiness vs sluggishness

chirpiness

noun
  • the state or quality of being chirpy 

sluggishness

noun
  • The state of economic decline, inactivity, slow or subnormal growth. 

  • The property of being sluggish, unable or unwilling to act quickly. 

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