claim vs averment

claim and averment both are nouns.

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

As nouns, averment is a hypernym of claim; that is, averment is a word with a broader meaning than claim:

claim: an assertion of a right (as to money or property)
averment: a declaration that is made emphatically (as if no supporting evidence were necessary)

Other hypernyms of claim include assertion, asseveration.

As nouns, averment is a hypernym of claim; that is, averment is a word with a broader meaning than claim:

claim: an assertion that something is true or factual
averment: a declaration that is made emphatically (as if no supporting evidence were necessary)

Other hypernyms of claim include assertion, asseveration.

claim (noun)	averment (noun)
demand for something as rightful or due	a declaration that is made emphatically (as if no supporting evidence were necessary)
an established or recognized right
an informal right to something
an assertion of a right (as to money or property)
a demand
an assertion that something is true or factual

claim (verb)	averment (verb)
assert or affirm strongly; state to be true or existing
take as an undesirable consequence of some event or state of affairs
ask for legally or make a legal claim to, as of debts, for example
lay claim to; as of an idea
demand as being one's due or property; assert one's right or title to