vibrate vs judder

vibrate and judder both are verbs.

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

As verbs, judder is a hyponym of vibrate; that is, judder is a word with a more specific, narrower meaning than vibrate:

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

Other hyponyms of vibrate include shimmy, wobble, shake.

vibrate (verb)	judder (verb)
feel sudden intense sensation or emotion	shake or vibrate rapidly and intensively
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