acute anterior poliomyelitis vs poliomyelitis

acute anterior poliomyelitis and poliomyelitis both are nouns.

Word	Noun	Adjective	Verb	Adverb
acute anterior poliomyelitis	Yes	No	No	No
poliomyelitis	Yes	No	No	No

As nouns, acute anterior poliomyelitis and poliomyelitis are synonyms defined as:

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

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

acute anterior poliomyelitis (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