languor vs stupor

languor

noun
  • A state of the body or mind caused by exhaustion or disease and characterized by a languid or weary feeling; lassitude; (countable) an instance of this. 

  • Dullness, sluggishness; lack of vigour; stagnation. 

  • Listless indolence or inactivity, especially if enjoyable or relaxing; dreaminess; (countable) an instance of this. 

  • Heavy humidity and stillness of the air. 

  • Melancholy caused by lovesickness, sadness, etc.; (countable) an instance of this. 

verb
  • To languish. 

stupor

noun
  • A state of greatly dulled or completely suspended consciousness or sensibility; (particularly medicine) a chiefly mental condition marked by absence of spontaneous movement, greatly diminished responsiveness to stimulation, and usually impaired consciousness. 

  • A state of extreme apathy or torpor resulting often from stress or shock. 

verb
  • To place into a stupor; to stupefy. 

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