quiver vs throb

quiver and throb both are nouns.

Word	Noun	Adjective	Verb	Adverb
quiver	Yes	No	Yes	No
throb	Yes	No	Yes	No

quiver (noun)	throb (noun)
the act of vibrating	an instance of rapid strong pulsation (of the heart)
case for holding arrows	a deep pulsating type of pain
an almost pleasurable sensation of fright
a shaky motion

quiver (verb)	throb (verb)
shake with fast, tremulous movements	tremble convulsively, as from fear or excitement
move with or as if with a regular alternating motion	expand and contract rhythmically; beat rhythmically
move back and forth very rapidly	pulsate or pound with abnormal force