bring down vs come

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

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

As verbs, come is a hypernym of bring down; that is, come is a word with a broader meaning than bring down:

Other hypernyms of bring down include arrive, get.

bring down (noun)	come (noun)
	the thick white fluid containing spermatozoa that is ejaculated by the male genital tract

bring down (verb)	come (verb)
cut down on; make a reduction in	come to pass; arrive, as in due course
impose something unpleasant	be found or available
cause to be enthusiastic	reach or enter a state, relation, condition, use, or position
cause to come to the ground	happen as a result
move something or somebody to a lower position	have a certain priority
cause the downfall of; of rulers	come to one's mind; suggest itself
	move toward, travel toward something or somebody or approach something or somebody
	be received
	cover a certain distance
	reach a destination; arrive by movement or progress
	experience orgasm
	come under, be classified or included
	proceed or get along
	extend or reach
	to be the product or result
	exist or occur in a certain point in a series
	be a native of
	to measure up to in kind or quality
	add up in number or quantity
	come forth
	come from; be connected by a relationship of blood, for example