juvenile vs juvenility

juvenile and juvenility both are nouns.

Word	Noun	Adjective	Verb	Adverb
juvenile	Yes	Yes	No	No
juvenility	Yes	No	No	No

juvenile (noun)	juvenility (noun)
a young person, not fully developed	the freshness and vitality characteristic of a young person
	lacking and evidencing lack of experience of life

juvenile (adjective)	juvenility (adjective)
of or relating to or characteristic of or appropriate for children or young people
displaying or suggesting a lack of maturity