backset vs hiccup

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. 

hiccup

noun
  • A minor setback. 

  • Any spasm or sudden change. 

  • A spasm of the diaphragm, or the resulting sound. 

verb
  • To produce an abortive sound like a hiccup. 

  • To produce a hiccup; have the hiccups. 

  • To say with a hiccup. 

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