olemus
üheõiguslikkus, samaväärsus

Merriam-Webster:
1: the quality or state of being equal or equivalent
2a: equivalence of a commodity price expressed in one currency to its price expressed in another
2b: equality of purchasing power established by law between different kinds of money at a given ratio

näiteid
currency parity -- valuutapariteet
gold parity -- kullapariteet
on a basis of parity -- pariteetsel alusel
parity goods -- ekvivalentne kaup
parity income -- pariteetne tulu
parity index -- pariteediindeks
parity of authority and responsibility --
-- võimu ja vastutuse võrdsus
parity rate -- pariteet
pegged parity -- kunstlik pariteet
sliding parity -- libisev kurss