anger vs belabour

anger

verb
  • To become angry. 

  • To cause such a feeling of antagonism in. 

noun
  • A strong feeling of displeasure, hostility or antagonism towards someone or something, usually combined with an urge to harm, often stemming from perceived provocation, hurt, or threat. 

belabour

verb
  • To attack someone verbally. 

  • To labour about; labour over; work hard upon; ply diligently. 

  • To beat soundly; thump; beat someone. 

  • To discuss something unduly or repeatedly; to harp on. 

  • To explain or elaborate at length or in excessive detail; overelaborate. 

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