scintillate vs shine

scintillate is not a noun while shine is a noun.

Word	Noun	Adjective	Verb	Adverb
scintillate	No	No	Yes	No
shine	Yes	No	Yes	No

As verbs, shine is a hypernym of scintillate; that is, shine is a word with a broader meaning than scintillate:

Other hypernyms of scintillate include beam.

As verbs, shine is a hypernym of scintillate; that is, shine is a word with a broader meaning than scintillate:

Other hypernyms of scintillate include reflect.

scintillate (noun)	shine (noun)
	the quality of being bright and sending out rays of light

scintillate (verb)	shine (verb)
be lively or brilliant or exhibit virtuosity	make (a surface) shine
fluoresce momentarily when struck by a charged particle or high-energy photon	experience a feeling of well-being or happiness, as from good health or an intense emotion
emit or reflect light in a flickering manner	be shiny, as if wet
give off	have a complexion with a strong bright color, such as red or pink
reflect brightly	touch or seem as if touching visually or audibly
	be distinguished or eminent
	be clear and obvious
	emit light; be bright, as of the sun or a light
	be bright by reflecting or casting light
	throw or flash the light of (a lamp)