throb vs quiver

throb and quiver both are nouns.

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

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

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