atomic warhead vs thermonuclear warhead

atomic warhead and thermonuclear warhead both are nouns.

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

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

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

Other synonyms of atomic warhead include nuclear warhead, nuke.

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