mire vs set back

mire

verb
  • To cause or permit to become stuck in mud; to plunge or fix in mud. 

  • To sink into mud. 

  • To weigh down. 

  • To soil with mud or foul matter. 

noun
  • An undesirable situation, a predicament. 

  • Deep mud; moist, spongy earth. 

set back

verb
  • To delay or obstruct. 

  • To remove from or allow distance. 

  • To install or position behind a boundary or surface, or in a recess. 

  • To cost money. 

  • To reverse, go backwards. 

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