mucocutaneous lymph node syndrome vs Kawasaki disease

mucocutaneous lymph node syndrome and Kawasaki disease both are nouns.

Word	Noun	Adjective	Verb	Adverb
mucocutaneous lymph node syndrome	Yes	No	No	No
Kawasaki disease	Yes	No	No	No

As nouns, mucocutaneous lymph node syndrome and Kawasaki disease are synonyms defined as:

mucocutaneous lymph node syndrome and Kawasaki disease: an acute disease of young children characterized by a rash and swollen lymph nodes and fever; of unknown cause

mucocutaneous lymph node syndrome (noun)	Kawasaki disease (noun)
an acute disease of young children characterized by a rash and swollen lymph nodes and fever; of unknown cause	an acute disease of young children characterized by a rash and swollen lymph nodes and fever; of unknown cause