ersatz vs patterning

ersatz

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

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

patterning

noun
  • Emulation, following as a model; frequently with after. 

  • An assault or act of humiliation that is deliberately filmed to be shared on social media. 

  • A pattern; the production of a pattern; the process of forming a pattern. 

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