languor vs mood

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. 

mood

noun
  • A mental or emotional state, composure. 

  • A familiar, relatable feeling, experience, or thing. 

  • Emotional character (of a work of music, literature, or other art). 

  • A verb form that depends on how its containing clause relates to the speaker’s or writer’s wish, intent, or assertion about reality. 

  • A disposition to do something, a state of mind receptive or disposed to do something. 

  • A sullen, gloomy or angry mental state; a bad mood. 

  • A prevalent atmosphere, attitude, or feeling. 

intj
  • Used to express that the speaker finds something very relatable. 

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