quagmire vs quandary

quagmire

noun
  • A perilous, mixed up and troubled situation; a hopeless tangle. 

  • A swampy, soggy area of ground. 

verb
  • To embroil (a person, etc.) in complexity or difficulty. 

quandary

noun
  • A dilemma, a difficult decision or choice. 

  • A state of not knowing what to decide; a state of difficulty or perplexity; a state of uncertainty, hesitation or puzzlement. 

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