atomic physics vs nucleonics

atomic physics and nucleonics both are nouns.

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

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

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

Other synonyms of atomic physics include nuclear physics.

atomic physics (noun)	nucleonics (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