glowing vs radiance

glowing and radiance both are nouns.

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

As nouns, glowing and radiance are synonyms defined as:

glowing and radiance: the amount of electromagnetic radiation leaving or arriving at a point on a surface

Other synonyms of glowing include glow.

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

glowing (adjective)	radiance (adjective)
highly enthusiastic