remonstrance vs expostulation

remonstrance and expostulation both are nouns.

Word	Noun	Adjective	Verb	Adverb
remonstrance	Yes	No	No	No
expostulation	Yes	No	No	No

As nouns, remonstrance and expostulation are synonyms defined as:

remonstrance and expostulation: the act of expressing earnest opposition or protest

Other synonyms of remonstrance include objection, remonstration.

remonstrance (noun)	expostulation (noun)
the act of expressing earnest opposition or protest	the act of expressing earnest opposition or protest
	an exclamation of protest or remonstrance or reproof