spat vs run into

spat is a noun but run into is not a noun.

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

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

Other hypernyms of spat include collide with, hit, impinge on, strike.

spat (noun)	run into (noun)
a young oyster or other bivalve
a cloth covering (a legging) that covers the instep and ankles
a quarrel about petty points

spat (verb)	run into (verb)
clap one's hands together	collide violently with an obstacle
spawn	hit against; come into sudden contact with
engage in a brief and petty quarrel	come together
clap one's hands or shout after performances to indicate approval	be beset by
strike with a sound like that of falling rain
become permanently attached
come down like raindrops