phlegm vs temperament

phlegm

noun
  • One of the four humors making up the body in ancient and mediaeval medicine; said to be cold and moist, and often identified with mucus. 

  • Calmness of temperament, composure; also seen negatively, sluggishness, indifference. 

  • Viscid mucus produced by the body, later especially mucus expelled from the bronchial passages by coughing. 

  • A watery distillation, especially one obtained from plant matter; an aqueous solution. 

temperament

noun
  • Individual differences in behavior that are biologically based and are relatively independent of learning, system of values and attitudes. 

  • A person's usual manner of thinking, behaving or reacting. 

  • A tendency to become irritable or angry. 

  • The altering of certain intervals from their correct values in order to improve the moving from key to key. 

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