waning vs waxing

waning and waxing both are nouns.

Word	Noun	Adjective	Verb	Adverb
waning	Yes	Yes	No	No
waxing	Yes	Yes	No	No

waning (noun)	waxing (noun)
a gradual decrease in magnitude or extent	the application of wax to a surface
	a gradual increase in magnitude or extent

waning (adjective)	waxing (adjective)
(of the Moon) pertaining to the period during which the visible surface of the moon decreases	(of the moon) pertaining to the period during which the visible surface of the moon increases