belabour vs malleate

belabour

verb
  • To beat soundly; thump; beat someone. 

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

  • To attack someone verbally. 

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

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

malleate

verb
  • To beat into shape with a hammer. 

adj
  • Possessing or resembling a malleus, or another structure shaped like a hammer. 

  • Having a surface with shallow round indentations, resembling copper that has been hammered. 

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