jactitation vs boasting

jactitation and boasting both are nouns.

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

As nouns, jactitation and boasting are synonyms defined as:

Other synonyms of jactitation include boast, self-praise.

jactitation (noun)	boasting (noun)
(pathology) extremely restless tossing and twitching usually by a person with a severe illness	speaking of yourself in superlatives
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)