equation vs equivalence

equation and equivalence both are nouns.

Word	Noun	Adjective	Verb	Adverb
equation	Yes	No	No	No
equivalence	Yes	No	No	No

As nouns, equation and equivalence are synonyms defined as:

equation and equivalence: a state of being essentially equal or equivalent; equally balanced

Other synonyms of equation include equality, par.

equation (noun)	equivalence (noun)
the act of regarding as equal	qualities that are comparable
a mathematical statement that two expressions are equal	essential equality and interchangeability
a state of being essentially equal or equivalent; equally balanced	a state of being essentially equal or equivalent; equally balanced