swashbuckling vs demeanour

swashbuckling and demeanour both are nouns.

Word	Noun	Adjective	Verb	Adverb
swashbuckling	Yes	Yes	No	No
demeanour	Yes	No	No	No

As nouns, demeanour is a hypernym of swashbuckling; that is, demeanour is a word with a broader meaning than swashbuckling:

swashbuckling: flamboyantly reckless and boastful behavior
demeanour: (behavioral attributes) the way a person behaves toward other people

Other hypernyms of swashbuckling include behavior, behaviour, conduct, demeanor, deportment.

swashbuckling (noun)	demeanour (noun)
flamboyantly reckless and boastful behavior	(behavioral attributes) the way a person behaves toward other people

swashbuckling (adjective)	demeanour (adjective)
flamboyantly adventurous