blow vs bluster

blow and bluster both are nouns.

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

As nouns, bluster is a hyponym of blow; that is, bluster is a word with a more specific, narrower meaning than blow:

Other hyponyms of blow include sandblast, puff, puff of air, whiff.

As verbs, blow and bluster are synonyms defined as:

Other synonyms of blow include boast, brag, gas, gasconade, shoot a line, swash, tout, vaunt.

As verbs, bluster is a hyponym of blow; that is, bluster is a word with a more specific, narrower meaning than blow:

Other hyponyms of blow include breeze, set in, waft, storm, squall.

blow (noun)	bluster (noun)
a powerful stroke with the fist or a weapon	a swaggering show of courage
forceful exhalation through the nose or mouth	vain and empty boasting
street names for cocaine	a violent gusty wind
an impact (as from a collision)	noisy confusion and turbulence
an unpleasant or disappointing surprise
an unfortunate happening that hinders or impedes; something that is thwarting or frustrating
a strong current of air

blow (verb)	bluster (verb)
exhale hard	act in an arrogant, overly self-assured, or conceited manner
free of obstruction by blowing air through	show off
melt, break, or become otherwise unusable	blow hard; be gusty, as of wind
burst suddenly
shape by blowing
show off
cause to be revealed and jeopardized
allow to regain its breath
deposit eggs (of insects)
be in motion due to some air or water current
cause to move by means of an air current
leave; informal or rude
cause air to go in, on, or through
spout moist air from the blowhole
play or sound a wind instrument
make a sound as if blown
sound by having air expelled through a tube
provide sexual gratification through oral stimulation
spend lavishly or wastefully on
spend thoughtlessly; throw away
make a mess of, destroy or ruin
be inadequate or objectionable
be blowing or storming