bluster vs exaggerate

bluster is a noun but exaggerate is not a noun.

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

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

Other hypernyms of bluster include amplify, hyperbolise, hyperbolize, magnify, overdraw, overstate.

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

bluster (verb)	exaggerate (verb)
act in an arrogant, overly self-assured, or conceited manner	to enlarge beyond bounds or the truth
show off	do something to an excessive degree
blow hard; be gusty, as of wind