asseverate vs assert

asseverate and assert both are verbs.

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

As verbs, asseverate and assert are synonyms defined as:

Other synonyms of asseverate include maintain.

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