level set vs uniformity

level set

noun
  • A state of mutual understanding among parties 

  • 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. 

verb
  • To establish a baseline of mutual understanding 

uniformity

noun
  • The absence of alternatives or diversity; sameness. 

  • The state of being uniform, alike and lacking variety. 

  • A collection of identical things 

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