nuclear warhead vs payload

nuclear warhead and payload both are nouns.

Word	Noun	Adjective	Verb	Adverb
nuclear warhead	Yes	No	No	No
payload	Yes	No	No	No

As nouns, payload is a hypernym of nuclear warhead; that is, payload is a word with a broader meaning than nuclear warhead:

nuclear warhead: the warhead of a missile designed to deliver an atom bomb
payload: the front part of a guided missile or rocket or torpedo that carries the nuclear or explosive charge or the chemical or biological agents

Other hypernyms of nuclear warhead include load, warhead.

nuclear warhead (noun)	payload (noun)
the warhead of a missile designed to deliver an atom bomb	goods carried by a large vehicle
	the front part of a guided missile or rocket or torpedo that carries the nuclear or explosive charge or the chemical or biological agents