contingency vs plight

contingency

noun
  • A possibility; something which may or may not happen. A chance occurrence, especially in finance, unexpected expenses. 

  • An amount of money which a party to a contract has to pay to the other party (usually the supplier of a major project to the client) if he or she does not fulfill the contract according to the specification. 

  • The quality of being contingent, of happening by chance. 

  • A statement which is neither a tautology nor a contradiction. 

plight

noun
  • An instance of danger or peril; a dangerous moment or situation. 

  • Blame; culpability; fault; wrong-doing; sin; crime. 

  • One's office; duty; charge. 

  • Responsibility for ensuing consequences; risk; danger; peril. 

  • A dire or unfortunate situation. 

verb
  • To promise (oneself) to someone, or to do something. 

  • Specifically, to pledge (one's troth etc.) as part of a marriage ceremony. 

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