polio vs poliomyelitis

polio and poliomyelitis both are nouns.

Word	Noun	Adjective	Verb	Adverb
polio	Yes	No	No	No
poliomyelitis	Yes	No	No	No

As nouns, polio and poliomyelitis are synonyms defined as:

polio and poliomyelitis: an acute viral disease marked by inflammation of nerve cells of the brain stem and spinal cord

Other synonyms of polio include acute anterior poliomyelitis, infantile paralysis.

polio (noun)	poliomyelitis (noun)
an acute viral disease marked by inflammation of nerve cells of the brain stem and spinal cord	an acute viral disease marked by inflammation of nerve cells of the brain stem and spinal cord