chasten vs flame

chasten is not a noun while flame is a noun.

Word	Noun	Adjective	Verb	Adverb
chasten	No	No	Yes	No
flame	Yes	No	Yes	No

As verbs, flame is a hyponym of chasten; that is, flame is a word with a more specific, narrower meaning than chasten:

chasten (noun)	flame (noun)
	the process of combustion of inflammable materials producing heat and light and (often) smoke

chasten (verb)	flame (verb)
change by restraining or moderating	criticize harshly, usually via an electronic medium
correct by punishment or discipline	be in flames or aflame
censure severely	shine with a sudden light