atomic power vs nuclear power

atomic power and nuclear power both are nouns.

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

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

atomic power and nuclear power: nuclear energy regarded as a source of electricity for the power grid (for civilian use)

atomic power (noun)	nuclear power (noun)
nuclear energy regarded as a source of electricity for the power grid (for civilian use)	nuclear energy regarded as a source of electricity for the power grid (for civilian use)