binding energy vs separation energy

binding energy and separation energy both are nouns.

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

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

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

binding energy (noun)	separation 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