belligerent vs bitter

belligerent

adj
  • Aggressively hostile, eager to fight. 

  • Eager to go to war, warlike. 

  • Engaged in warfare, warring. 

  • Of or pertaining to war. 

  • Uncooperative. 

  • Acting violently towards others. 

noun
  • A state or other armed participant in warfare 

bitter

adj
  • Hateful or hostile. 

  • Having an acrid taste (usually from a basic substance). 

  • Harsh, piercing or stinging. 

  • Cynical and resentful. 

noun
  • A type of beer heavily flavored with hops. 

  • A liquid or powder, made from bitter herbs, used in mixed drinks or as a tonic. 

  • A turn of a cable about the bitts. 

  • A hardware system whose architecture is based around units of the specified number of bits (binary digits). 

verb
  • To make bitter. 

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