jar vs jounce

jar and jounce both are nouns.

Word	Noun	Adjective	Verb	Adverb
jar	Yes	No	Yes	No
jounce	Yes	No	Yes	No

As nouns, jar and jounce are synonyms defined as:

Other synonyms of jar include jolt, shock.

jar (noun)	jounce (noun)
a cylindrical vessel, typically used for storing food	a sudden jarring impact
a sudden jarring impact
the quantity contained in a jar

jar (verb)	jounce (verb)
place in a cylindrical vessel	move up and down repeatedly
affect in a disagreeable way
move or cause to move with a sudden jerky motion
shock physically
be incompatible; be or come into conflict