S: (n) jar, jarful (the quantity contained in a jar) "he drank a jar of beer"
S: (n) jolt, jar, jounce, shock (a sudden jarring impact) "the door closed with a jolt"; "all the jars and jolts were smoothed out by the shock absorbers"
Verb
S: (v) clash, jar, collide (be incompatible; be or come into conflict) "These colors clash"
S: (v) jolt, jar (move or cause to move with a sudden jerky motion)