run into vs jar against

run into and jar against both are verbs.

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

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

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

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

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