bragging vs jactitation

bragging and jactitation both are nouns.

Word	Noun	Adjective	Verb	Adverb
bragging	Yes	Yes	No	No
jactitation	Yes	No	No	No

As nouns, jactitation is a hypernym of bragging; that is, jactitation is a word with a broader meaning than bragging:

Other hypernyms of bragging include boast, boasting, self-praise.

bragging (noun)	jactitation (noun)
an instance of boastful talk	(pathology) extremely restless tossing and twitching usually by a person with a severe illness
	speaking of yourself in superlatives
	(law) a false boast that can harm others; especially a false claim to be married to someone (formerly actionable at law)

bragging (adjective)	jactitation (adjective)
exhibiting self-importance