come through vs hit

come through is not a noun while hit is a noun.

Word	Noun	Adjective	Verb	Adverb
come through	No	No	Yes	No
hit	Yes	No	Yes	No

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

come through: succeed in reaching a real or abstract destination after overcoming problems
hit: reach a destination, either real or abstract

Other hypernyms of come through include arrive at, attain, gain, make, reach.

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

come through (noun)	hit (noun)
	the act of contacting one thing with another
	a conspicuous success
	(baseball) when a batter strikes a picthed ball into fair territory and arrives safely on base (without an error or a fielder's choice being made by the defense)
	a murder carried out by an underworld syndicate
	a connection made via the internet to another website
	a dose of a narcotic drug
	(physics) a brief event in which two or more bodies come together

come through (verb)	hit (verb)
penetrate	pay unsolicited and usually unwanted sexual attention to
succeed in reaching a real or abstract destination after overcoming problems	make a strategic, offensive, assault against an enemy, opponent, or a target
attain success or reach a desired goal	hit with a missile from a weapon
continue in existence after (an adversity, etc.)	hit the intended target or goal
	deal a blow to, either with the hand or with an instrument
	hit against; come into sudden contact with
	produce by manipulating keys or strings of musical instruments
	cause to move by striking
	affect or afflict suddenly, usually adversely
	reach a destination, either real or abstract
	drive something violently into a location
	reach a point in time, or a certain state or level
	cause to experience suddenly
	encounter by chance
	kill intentionally and with premeditation