blow vs reversal

blow and reversal both are nouns.

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

As nouns, blow and reversal are synonyms defined as:

blow and reversal: an unfortunate happening that hinders or impedes; something that is thwarting or frustrating

Other synonyms of blow include black eye, reverse, setback.

blow (noun)	reversal (noun)
a powerful stroke with the fist or a weapon	a change from one state to the opposite state
forceful exhalation through the nose or mouth	the act of reversing the order or place of
street names for cocaine	turning in the opposite direction
an impact (as from a collision)	a major change in attitude or principle or point of view
an unpleasant or disappointing surprise	a judgment by a higher court that the judgment of a lower court was incorrect and should be set aside
an unfortunate happening that hinders or impedes; something that is thwarting or frustrating	a decision to reverse an earlier decision
a strong current of air	turning in an opposite direction or position
	an unfortunate happening that hinders or impedes; something that is thwarting or frustrating

blow (verb)	reversal (verb)
exhale hard
free of obstruction by blowing air through
melt, break, or become otherwise unusable
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