scintillate vs scintillation

scintillate is not a noun while scintillation is a noun.

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

scintillate (noun)	scintillation (noun)
	the quality of shining with a bright reflected light
	the twinkling of the stars caused when changes in the density of the earth's atmosphere produce uneven refraction of starlight
	a brilliant display of wit
	a rapid change in brightness; a brief spark or flash
	(physics) a flash of light that is produced in a phosphor when it absorbs a photon or ionizing particle

scintillate (verb)	scintillation (verb)
be lively or brilliant or exhibit virtuosity
fluoresce momentarily when struck by a charged particle or high-energy photon
emit or reflect light in a flickering manner
give off
reflect brightly