bluster vs acquit

bluster is a noun but acquit is not a noun.

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

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

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

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

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

bluster (verb)	acquit (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	pronounce not guilty of criminal charges
blow hard; be gusty, as of wind