come down vs snow

come down is not a noun while snow is a noun.

Word	Noun	Adjective	Verb	Adverb
come down	No	No	Yes	No
snow	Yes	No	Yes	No

As verbs, snow is a hyponym of come down; that is, snow is a word with a more specific, narrower meaning than come down:

Other hyponyms of come down include rain, rain down, spat, hail, sleet.

come down (noun)	snow (noun)
	street names for cocaine
	precipitation falling from clouds in the form of ice crystals
	a layer of snowflakes (white crystals of frozen water) covering the ground

come down (verb)	snow (verb)
get sick	conceal one's true motives from especially by elaborately feigning good intentions so as to gain an end
be the essential element	fall as snow
criticize or reprimand harshly
move downward and lower, but not necessarily all the way
fall from clouds