assert vs aver

assert and aver both are verbs.

Word	Noun	Adjective	Verb	Adverb
assert	No	No	Yes	No
aver	No	No	Yes	No

As verbs, assert and aver are synonyms defined as:

Other synonyms of assert include affirm, avow, swan, swear, verify.

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

Other hyponyms of assert include allege, say, predicate, proclaim.

assert (verb)	aver (verb)
postulate positively and assertively	to declare or affirm solemnly and formally as true
to declare or affirm solemnly and formally as true	report or maintain
state categorically
insist on having one's opinions and rights recognized