juvenile person vs soul

juvenile person and soul both are nouns.

Word	Noun	Adjective	Verb	Adverb
juvenile person	Yes	No	No	No
soul	Yes	No	No	No

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

juvenile person: a young person, not fully developed
soul: a human being; person, singular, assertive existential pronoun; pronoun, person, singular; quantifier: assertive existential

Other hypernyms of juvenile person include individual, mortal, person, somebody, someone.

juvenile person (noun)	soul (noun)
a young person, not fully developed	a human being; person, singular, assertive existential pronoun; pronoun, person, singular; quantifier: assertive existential
	the human embodiment of something
	a secular form of gospel that was a major Black musical genre in the 1960s and 1970s
	deep feeling or emotion
	the immaterial part of a person; the actuating cause of an individual life