tyke vs juvenile

tyke and juvenile both are nouns.

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

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

Other hypernyms of tyke include juvenile person.

tyke (noun)	juvenile (noun)
a young person of either sex	a young person, not fully developed
a crude uncouth ill-bred person lacking culture or refinement

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