eager vs phlegmatic

eager

adj
  • Not employing lazy evaluation; calculating results immediately, rather than deferring calculation until they are required. 

  • Desirous; keen to do or obtain something. 

phlegmatic

noun
  • One who has a phlegmatic disposition. 

adj
  • Generating, causing, or full of phlegm. 

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

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