radiant vs radiance

radiant is not a noun while radiance is a noun.

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

radiant (noun)	radiance (noun)
	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

radiant (adjective)	radiance (adjective)
radiating or as if radiating light