blow vs whiff

blow and whiff both are nouns.

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

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

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

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

blow (noun)	whiff (noun)
a powerful stroke with the fist or a weapon	a strikeout resulting from the batter swinging at and missing the ball for the third strike
forceful exhalation through the nose or mouth	a lefteye flounder found in coastal waters from New England to Brazil
street names for cocaine	a short light gust of air
an impact (as from a collision)
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)	whiff (verb)
exhale hard	utter with a puff of air
free of obstruction by blowing air through	smoke and exhale strongly
melt, break, or become otherwise unusable	strike out by swinging and missing the pitch charged as the third
burst suddenly	drive or carry as if by a puff of air
shape by blowing	perceive by inhaling through the nose
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