ersatz vs untoward

ersatz

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

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

untoward

adj
  • Unseemly, improper. 

  • Unruly, troublesome; not easily guided. 

  • Unfavourable, adverse, or disadvantageous. 

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