moaning vs phlegmatic

moaning

noun

  • The utterance of a moan. 

phlegmatic

adj

  • Generating, causing, or full of phlegm. 

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

noun

  • One who has a phlegmatic disposition. 

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