equilibrate vs equivalence

equilibrate

verb
  • To balance, or bring into equilibrium. 

  • To balance, to be in a state of equilibrium. 

equivalence

verb
  • To be equivalent or equal to; to counterbalance. 

noun
  • The quantity of the combining power of an atom, expressed in hydrogen units; the number of hydrogen atoms can combine with, or be exchanged for; valency. 

  • A number in intersection theory. A positive-dimensional variety sometimes behaves formally as if it were a finite number of points; this number is its equivalence. 

  • An equivalence relation; ≡; ~ 

  • A Boolean operation that is TRUE when both input variables are TRUE or both input variables are FALSE, but otherwise FALSE; the XNOR function. 

  • The condition of being equivalent or essentially equal. 

  • The relationship between two propositions that are either both true or both false. 

  • The degree to which a term or text in one language is semantically similar to its translated counterpart. 

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