jar against vs run into

jar against and run into both are verbs.

Word	Noun	Adjective	Verb	Adverb
jar against	No	No	Yes	No
run into	No	No	Yes	No

As verbs, jar against and run into are synonyms defined as:

Other synonyms of jar against include bump into, butt against, knock against.

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

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

jar against (verb)	run into (verb)
collide violently with an obstacle	collide violently with an obstacle
	hit against; come into sudden contact with
	come together
	be beset by