boasting vs jactitation

boasting and jactitation both are nouns.

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

As nouns, boasting and jactitation are synonyms defined as:

Other synonyms of boasting include boast, self-praise.

boasting (noun)	jactitation (noun)
speaking of yourself in superlatives	(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)