shiver vs quiver

shiver and quiver both are nouns.

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

As nouns, shiver and quiver are synonyms defined as:

Other synonyms of shiver include chill, frisson, shudder, thrill, tingle.

shiver (noun)	quiver (noun)
a reflex motion caused by cold or fear or excitement	the act of vibrating
an almost pleasurable sensation of fright	case for holding arrows
	an almost pleasurable sensation of fright
	a shaky motion

shiver (verb)	quiver (verb)
shake, as from cold	shake with fast, tremulous movements
tremble convulsively, as from fear or excitement	move with or as if with a regular alternating motion
	move back and forth very rapidly