level set vs tryst

level set

noun
  • An event consisting of level setting 

  • The set of values x for which a real-valued function f(x) is equal to a given constant. 

  • A state of mutual understanding among parties 

verb
  • To establish a baseline of mutual understanding 

tryst

noun
  • A market fair, especially a recurring one held on a schedule, where livestock sales took place. 

  • A prearranged meeting or assignation, now especially between lovers to meet at a specific place and time. 

verb
  • To keep a tryst, to meet at an agreed place and time. 

  • To make a tryst; to agree to meet at a place. 

  • To arrange or appoint (a meeting time etc.). 

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