contribute vs furnish

contribute

verb
  • To give something that is or becomes part of a larger whole. 

furnish

verb
  • To supply or give (something). 

  • To provide a place with furniture, or other equipment. 

  • To supply (somebody) with something. 

noun
  • Material used to create an engineered product. 

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