fledgling vs fledged

fledgling is a noun but fledged is not a noun.

Word	Noun	Adjective	Verb	Adverb
fledgling	Yes	Yes	No	No
fledged	No	Yes	No	No

fledgling (noun)	fledged (noun)
young bird that has just fledged or become capable of flying
any new participant in some activity

fledgling (adjective)	fledged (adjective)
(of a young bird) having acquired its flight feathers	(of birds) having developed feathers or plumage; often used in combination
young and inexperienced	(of an arrow) equipped with feathers