audacity vs lethargy

audacity

noun
  • Insolent boldness, especially when imprudent or unconventional. 

  • Fearlessness, intrepidity or daring, especially with confident disregard for personal safety, conventional thought, or other restrictions. 

lethargy

noun
  • A condition characterized by extreme fatigue or drowsiness, deep unresponsiveness, or prolonged sleep patterns. 

  • A state of extreme torpor or apathy, especially with lack of emotion, energy or enthusiasm; (loosely) sluggishness, laziness. 

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