infantile paralysis vs acute anterior poliomyelitis

infantile paralysis and acute anterior poliomyelitis both are nouns.

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

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

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

Other synonyms of infantile paralysis include polio, poliomyelitis.

infantile paralysis (noun)	acute anterior 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