bad-tempered vs belligerent

bad-tempered

adj
  • Of or pertaining to bad temper; showing anger easily or customarily. 

belligerent

adj
  • Acting violently towards others. 

  • Eager to go to war, warlike. 

  • Engaged in warfare, warring. 

  • Of or pertaining to war. 

  • Uncooperative. 

  • Aggressively hostile, eager to fight. 

noun
  • A state or other armed participant in warfare 

How often have the words bad-tempered and belligerent occurred in a corpus of books? (source: Google Ngram Viewer )