judder vs vibrate

judder and vibrate both are verbs.

Word	Noun	Adjective	Verb	Adverb
judder	No	No	Yes	No
vibrate	No	No	Yes	No

As verbs, vibrate is a hypernym of judder; that is, vibrate is a word with a broader meaning than judder:

judder: shake or vibrate rapidly and intensively
vibrate: shake, quiver, or throb; move back and forth rapidly, usually in an uncontrolled manner

judder (verb)	vibrate (verb)
shake or vibrate rapidly and intensively	feel sudden intense sensation or emotion
	shake, quiver, or throb; move back and forth rapidly, usually in an uncontrolled manner
	move or swing from side to side regularly
	sound with resonance
	be undecided about something; waver between conflicting positions or courses of action