equivalence vs stasis

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. 

stasis

noun
  • A slackening or arrest of the blood current, due not to a lessening of the heart’s beat, but to some abnormal resistance of the capillary walls. 

  • Inactivity; a freezing, or state of motionlessness. 

  • A technology allowing something to be artificially frozen in time, so that it does not age or change. 

  • One of the sections of a cathisma or portion of the psalter. 

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