peroration vs closing

peroration and closing both are nouns.

Word	Noun	Adjective	Verb	Adverb
peroration	Yes	No	No	No
closing	Yes	Yes	No	No

As nouns, closing is a hypernym of peroration; that is, closing is a word with a broader meaning than peroration:

Other hypernyms of peroration include close, conclusion, end, ending.

peroration (noun)	closing (noun)
(rhetoric) the concluding section of an oration	termination of operations
a flowery and highly rhetorical oration	the act of closing something
	a concluding action
	approaching a particular destination; a coming closer; a narrowing of a gap
	the last section of a communication

peroration (adjective)	closing (adjective)
	final or ending