K.E. vs kinetic energy

K.E. and kinetic energy both are nouns.

Word	Noun	Adjective	Verb	Adverb
K.E.	Yes	No	No	No
kinetic energy	Yes	No	No	No

As nouns, K.E. and kinetic energy are synonyms defined as:

K.E. and kinetic energy: the mechanical energy that a body has by virtue of its motion

K.E. (noun)	kinetic energy (noun)
the mechanical energy that a body has by virtue of its motion	the mechanical energy that a body has by virtue of its motion