chastise vs castigate

chastise and castigate both are verbs.

Word	Noun	Adjective	Verb	Adverb
chastise	No	No	Yes	No
castigate	No	No	Yes	No

As verbs, chastise and castigate are synonyms defined as:

Other synonyms of chastise include chasten, correct, objurgate.

chastise (verb)	castigate (verb)
censure severely	censure severely
	inflict severe punishment on