phlegmatic vs unmoved

phlegmatic

adj
  • Not easily excited to action or passion; calm; sluggish. 

  • Generating, causing, or full of phlegm. 

noun
  • One who has a phlegmatic disposition. 

unmoved

adj
  • Not sympathetic; uncaring. 

  • Not affected emotionally, or not showing emotion. 

  • Not physically moved. 

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