metalwork vs woodwork

metalwork

noun
  • Objects made of metal. 

  • The act of shaping metal, metalworking. 

woodwork

noun
  • Something made from wood. 

  • Working with wood. 

  • A workshop or factory devoted to making wood products. 

  • A place of concealment or obscurity. 

  • The frame of the goal, i.e. the goalpost or crossbar. 

  • Wood product. 

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