snatch up vs swoop

snatch up is not a noun while swoop is a noun.

Word	Noun	Adjective	Verb	Adverb
snatch up	No	No	Yes	No
swoop	Yes	No	Yes	No

As verbs, swoop is a hyponym of snatch up; that is, swoop is a word with a more specific, narrower meaning than snatch up:

Other hyponyms of snatch up include swoop up.

snatch up (noun)	swoop (noun)
	a swift descent through the air
	a very rapid raid
	(music) rapid sliding up or down the musical scale

snatch up (verb)	swoop (verb)
to grasp hastily or eagerly	seize or catch with a swooping motion
	move down on as if in an attack
	move with a sweep, or in a swooping arc