phlegmatic vs troubled

phlegmatic

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

  • Generating, causing, or full of phlegm. 

noun
  • One who has a phlegmatic disposition. 

troubled

adj
  • anxious, worried, careworn. 

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