boy vs male

boy and male both are nouns.

Word	Noun	Adjective	Verb	Adverb
boy	Yes	No	No	No
male	Yes	Yes	No	No

As nouns, male is a hypernym of boy; that is, male is a word with a broader meaning than boy:

Other hypernyms of boy include male person.

boy (noun)	male (noun)
a youthful male person	an animal that produces gametes (spermatozoa) that can fertilize female gametes (ova)
(ethnic slur) offensive and disparaging term for Black man	a person who belongs to the sex that cannot have babies
a friendly informal reference to a grown man
a male human offspring

boy (adjective)	male (adjective)
	being the sex (of plant or animal) that produces gametes (spermatozoa) that perform the fertilizing function in generation
	for or pertaining to or composed of men or boys
	characteristic of a man