cheerful vs glad

cheerful is not a noun while glad is a noun.

Word	Noun	Adjective	Verb	Adverb
cheerful	No	Yes	No	No
glad	Yes	Yes	No	No

cheerful (noun)	glad (noun)
	any of numerous plants of the genus Gladiolus native chiefly to tropical and South Africa having sword-shaped leaves and one-sided spikes of brightly colored funnel-shaped flowers; widely cultivated

cheerful (adjective)	glad (adjective)
being full of or promoting cheer; having or showing good spirits	showing or causing joy and pleasure; especially made happy
pleasantly (even unrealistically) optimistic	cheerful and bright
	feeling happy appreciation
	eagerly disposed to act or to be of service