confusion vs quandary

confusion

noun
  • The state of being confused; misunderstanding. 

  • The act of mistaking one thing for another or conflating distinct things. 

  • A lack of clarity or order. 

  • Lack of understanding due to dementia. 

quandary

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

  • A dilemma, a difficult decision or choice. 

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