ersatz vs human-made

ersatz

adj
  • Made in imitation; artificial, especially of a poor quality. 

noun
  • Something made in imitation; an effigy or substitute. 

human-made

adj
  • created by people, as opposed to occurring in nature; artificial or synthetic. 

How often have the words ersatz and human-made occurred in a corpus of books? (source: Google Ngram Viewer )