reversal vs blow

reversal and blow both are nouns.

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

As nouns, reversal and blow are synonyms defined as:

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

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

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

reversal (verb)	blow (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