assert vs avow

assert and avow both are verbs.

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

As verbs, assert and avow are synonyms defined as:

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

assert (verb)	avow (verb)
postulate positively and assertively	to declare or affirm solemnly and formally as true
to declare or affirm solemnly and formally as true	admit openly and bluntly; make no bones about
state categorically
insist on having one's opinions and rights recognized