fess vs stipulate

fess

verb
  • To confess; to admit. 

noun
  • A horizontal band across the middle of the shield. 

adj
  • Of animals, bad-tempered, fierce. 

  • Lively; active; strong. 

  • Proud; conceited. 

stipulate

verb
  • To acknowledge the truth of; not to challenge. 

  • To ask for a contractual term. 

  • To require (something) as a condition of a contract or agreement. 

  • To specify, promise or guarantee something in an agreement. 

  • To mutually agree. 

adj
  • Having stipules; that is, having outgrowths borne on either side of the base of the leafstalk. 

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