shiver vs shivering

shiver and shivering both are nouns.

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

shiver (noun)	shivering (noun)
a reflex motion caused by cold or fear or excitement	a sensation of cold that often marks the start of an infection and the development of a fever
an almost pleasurable sensation of fright

shiver (adjective)	shivering (adjective)
	vibrating slightly and irregularly; as e.g. with fear or cold or like the leaves of an aspen in a breeze

shiver (verb)	shivering (verb)
shake, as from cold
tremble convulsively, as from fear or excitement