defeasance vs discomfiture

defeasance

verb
  • To void; to annul. 

noun
  • The rendering void of a contract or deed; an annulment or abrogation. 

discomfiture

noun
  • An emotional state similar to that arising from defeat; frustration, disappointment, perplexity or embarrassment. 

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