fabricate vs prefabricate

fabricate

verb
  • To form into a whole by uniting its parts; to construct; to build. 

  • To form by art and labor; to manufacture; to produce. 

  • To invent and form; to forge; to devise falsely. 

  • To cut up an animal as preparation for cooking, particularly used in reference to fowl. 

prefabricate

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

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