bluster vs jactitation

bluster and jactitation both are nouns.

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

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

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

bluster (noun)	jactitation (noun)
a swaggering show of courage	(pathology) extremely restless tossing and twitching usually by a person with a severe illness
vain and empty boasting	speaking of yourself in superlatives
a violent gusty wind	(law) a false boast that can harm others; especially a false claim to be married to someone (formerly actionable at law)
noisy confusion and turbulence

bluster (verb)	jactitation (verb)
act in an arrogant, overly self-assured, or conceited manner
show off
blow hard; be gusty, as of wind