scintilla vs scintillate

scintilla is a noun but scintillate is not a noun.

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

scintilla (noun)	scintillate (noun)
a sparkling glittering particle
a tiny or scarcely detectable amount

scintilla (verb)	scintillate (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