backset vs predicament

backset

noun
  • A check; a relapse; a discouragement; a setback. 

  • Whatever is thrown back in its course, such as water. 

verb
  • To plow again in the fall; said of prairie land broken up in the spring. 

predicament

noun
  • An unfortunate or trying position or condition. 

  • A definite class, state or condition. 

  • That which is predicated; a category. 

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