gleaming vs radiance

gleaming and radiance both are nouns.

Word	Noun	Adjective	Verb	Adverb
gleaming	Yes	Yes	No	No
radiance	Yes	No	No	No

As nouns, radiance is a hypernym of gleaming; that is, radiance is a word with a broader meaning than gleaming:

Other hypernyms of gleaming include effulgence, radiancy, refulgence, refulgency, shine.

gleaming (noun)	radiance (noun)
an appearance of reflected light	the quality of being bright and sending out rays of light
a flash of light (especially reflected light)	the amount of electromagnetic radiation leaving or arriving at a point on a surface
	an attractive combination of good health and happiness

gleaming (adjective)	radiance (adjective)
bright with a steady but subdued shining