vibrate vs librate

vibrate and librate both are verbs.

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

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

Other hyponyms of vibrate include hunt.

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