averment vs assertion

averment and assertion both are nouns.

Word	Noun	Adjective	Verb	Adverb
averment	Yes	No	No	No
assertion	Yes	No	No	No

As nouns, averment and assertion are synonyms defined as:

averment and assertion: a declaration that is made emphatically (as if no supporting evidence were necessary)

Other synonyms of averment include asseveration.

averment (noun)	assertion (noun)
a declaration that is made emphatically (as if no supporting evidence were necessary)	a declaration that is made emphatically (as if no supporting evidence were necessary)
	the act of affirming or asserting or stating something