correction vs chastening

correction and chastening both are nouns.

Word	Noun	Adjective	Verb	Adverb
correction	Yes	No	No	No
chastening	Yes	No	No	No

As nouns, correction and chastening are synonyms defined as:

Other synonyms of correction include chastisement.

correction (noun)	chastening (noun)
the act of offering an improvement to replace a mistake; setting right	a rebuke for making a mistake
treatment of a specific defect
the act of disciplining
a drop in stock market activity or stock prices following a period of increases
a rebuke for making a mistake
something substituted for an error
a quantity that is added or subtracted in order to increase the accuracy of a scientific measure