separation energy vs binding energy

separation energy and binding energy both are nouns.

Word	Noun	Adjective	Verb	Adverb
separation energy	Yes	No	No	No
binding energy	Yes	No	No	No

As nouns, separation energy and binding energy are synonyms defined as:

separation energy and binding energy: the energy required to separate particles from a molecule or atom or nucleus; equals the mass defect

separation energy (noun)	binding energy (noun)
the energy required to separate particles from a molecule or atom or nucleus; equals the mass defect	the energy required to separate particles from a molecule or atom or nucleus; equals the mass defect