potential energy vs P.E.

potential energy and P.E. both are nouns.

Word	Noun	Adjective	Verb	Adverb
potential energy	Yes	No	No	No
P.E.	Yes	No	No	No

As nouns, potential energy and P.E. are synonyms defined as:

potential energy and P.E.: the mechanical energy that a body has by virtue of its position; stored energy

potential energy (noun)	P.E. (noun)
the mechanical energy that a body has by virtue of its position; stored energy	the mechanical energy that a body has by virtue of its position; stored energy