found vs prefabricate

found

verb
  • To form by melting a metal and pouring it into a mould; to cast. 

  • To melt, especially of metal in an industrial setting. 

  • To begin building. 

  • To start (an institution or organization). 

noun
  • A thin, single-cut file for comb-makers. 

prefabricate

verb
  • To manufacture (a building, etc.) in standard components that can be fitted together on site. 

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