run into vs ping

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

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

As verbs, ping is a hyponym of run into; that is, ping is a word with a more specific, narrower meaning than run into:

run into (noun)	ping (noun)
	a sharp high-pitched resonant sound (as of a sonar echo or a bullet striking metal)

run into (verb)	ping (verb)
collide violently with an obstacle	send a message from one computer to another to check whether it is reachable and active
hit against; come into sudden contact with	contact, usually in order to remind of something
come together	hit with a pinging noise
be beset by	make a short high-pitched sound
	sound like a car engine that is firing too early