atomic physics vs nuclear physics

atomic physics and nuclear physics both are nouns.

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

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

atomic physics and nuclear physics: the branch of physics that studies the internal structure of atomic nuclei

Other synonyms of atomic physics include nucleonics.

atomic physics (noun)	nuclear physics (noun)
the branch of physics that studies the internal structure of atomic nuclei	the branch of physics that studies the internal structure of atomic nuclei