run into vs hit

run into is not a noun while hit is a noun.

Word	Noun	Adjective	Verb	Adverb
run into	No	No	Yes	No
hit	Yes	No	Yes	No

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

Other hypernyms of run into include collide with, impinge on, run into, strike.

As verbs, run into and hit are synonyms defined as:

Other synonyms of run into include collide with, impinge on, strike.

run into (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

run into (verb)	hit (verb)
collide violently with an obstacle	pay unsolicited and usually unwanted sexual attention to
hit against; come into sudden contact with	make a strategic, offensive, assault against an enemy, opponent, or a target
come together	hit with a missile from a weapon
be beset by	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