pubescent vs immature

pubescent and immature both are adjectives.

Word	Noun	Adjective	Verb	Adverb
pubescent	No	Yes	No	No
immature	No	Yes	No	No

pubescent (adjective)	immature (adjective)
covered with fine soft hairs or down	not yet mature
(of animals especially human beings) having arrived at the onset of puberty (the age at which sex glands become functional) but not yet fully mature	characteristic of a lack of maturity
	(used of living things especially persons) in an early period of life or development or growth
	(of birds) not yet having developed feathers
	not fully developed or mature; not ripe