disinterest vs languor

disinterest

verb
  • To render disinterested. 

noun
  • The absence of interest (bias or stake). 

  • An absence of interest (attention or curiosity). 

languor

verb
  • To languish. 

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. 

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