scintillation vs natural philosophy

scintillation and natural philosophy both are nouns.

Word	Noun	Adjective	Verb	Adverb
scintillation	Yes	No	No	No
natural philosophy	Yes	No	No	No

scintillation (noun)	natural philosophy (noun)
the quality of shining with a bright reflected light	the science of matter and energy and their interactions
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