rectification vs remedy

rectification and remedy both are nouns.

Word	Noun	Adjective	Verb	Adverb
rectification	Yes	No	No	No
remedy	Yes	No	Yes	No

As nouns, remedy is a hyponym of rectification; that is, remedy is a word with a more specific, narrower meaning than rectification:

rectification: the act of offering an improvement to replace a mistake; setting right
remedy: act of correcting an error or a fault or an evil

Other hyponyms of rectification include redress, remediation, retribution, compensation, recompense, amendment, emendation.

rectification (noun)	remedy (noun)
the act of offering an improvement to replace a mistake; setting right	act of correcting an error or a fault or an evil
determination of the length of a curve; finding a straight line equal in length to a given curve	a medicine or therapy that cures disease or relieve pain
the conversion of alternating current to direct current
(chemistry) the process of refinement or purification of a substance by distillation

rectification (verb)	remedy (verb)
	provide relief for
	set straight or right