elucidation vs quandary

elucidation

noun
  • A making clear; the act of elucidating or that which elucidates, as an explanation, an exposition, an illustration 

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 elucidation and quandary occurred in a corpus of books? (source: Google Ngram Viewer )