equalization vs identity

equalization

noun
  • The act of equalizing, or state of being equalized. 

  • Repayment to an investor in a unit trust or OEIC of an increase in the unit price to cover the seller’s entitlement to income received from the underlying investments but not yet distributed to unit holders, repaid as part of the first distribution of income to that investor. 

  • Maneuvers to balance the pressure in the middle ear with the outside pressure by letting air enter along the Eustachian tubes. 

identity

noun
  • Sameness, identicalness; the quality or fact of (several specified things) being the same. 

  • An element of an algebraic structure which, when applied to another element under an operation in that structure, yields this second element. 

  • A well-known or famous person. 

  • A name or persona—a mask or appearance one presents to the world—by which one is known. 

  • The difference or character that marks off an individual or collective from the rest of the same kind; selfhood; the sense of who something or someone or oneself is, or the recurring characteristics that enable the recognition of such an individual or group by others or themself. 

  • An equation which always holds true regardless of the choice of input variables. 

  • Any function which maps all elements of its domain to themselves. 

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