male offspring vs child

male offspring and child both are nouns.

Word	Noun	Adjective	Verb	Adverb
male offspring	Yes	No	No	No
child	Yes	No	No	No

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

Other hypernyms of male offspring include male, male person, kid.

male offspring (noun)	child (noun)
a child who is male	a young person of either sex
	a human offspring (son or daughter) of any age
	an immature childish person
	a member of a clan or tribe