bluster vs behave

bluster is a noun but behave is not a noun.

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

As verbs, behave is a hypernym of bluster; that is, behave is a word with a broader meaning than bluster:

bluster: act in an arrogant, overly self-assured, or conceited manner
behave: behave in a certain manner; show a certain behavior; conduct or comport oneself

Other hypernyms of bluster include acquit, act, bear, carry, comport, conduct, deport, do.

bluster (noun)	behave (noun)
a swaggering show of courage
vain and empty boasting
a violent gusty wind
noisy confusion and turbulence

bluster (verb)	behave (verb)
act in an arrogant, overly self-assured, or conceited manner	behave in a certain manner; show a certain behavior; conduct or comport oneself
show off	behave well or properly
blow hard; be gusty, as of wind