kid vs juvenile

kid and juvenile both are nouns.

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

As nouns, juvenile is a hypernym of kid; that is, juvenile is a word with a broader meaning than kid:

Other hypernyms of kid include juvenile person.

kid (noun)	juvenile (noun)
young goat	a young person, not fully developed
a young person of either sex
a human offspring (son or daughter) of any age
soft smooth leather from the hide of a young goat

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

kid (verb)	juvenile (verb)
be silly or tease one another
tell false information to for fun