atomic warhead vs nuclear warhead

atomic warhead and nuclear warhead both are nouns.

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

As nouns, atomic warhead and nuclear warhead are synonyms defined as:

atomic warhead and nuclear warhead: the warhead of a missile designed to deliver an atom bomb

Other synonyms of atomic warhead include nuke, thermonuclear warhead.

atomic warhead (noun)	nuclear warhead (noun)
the warhead of a missile designed to deliver an atom bomb	the warhead of a missile designed to deliver an atom bomb