vibrate vs vibrator

vibrate is not a noun while vibrator is a noun.

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

vibrate (noun)	vibrator (noun)
	mechanical device that produces vibratory motion; used for massage
	a mechanical device that vibrates

vibrate (verb)	vibrator (verb)
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