Munchausen syndrome vs syndrome

Munchausen syndrome and syndrome both are nouns.

Word	Noun	Adjective	Verb	Adverb
Munchausen syndrome	Yes	No	No	No
syndrome	Yes	No	No	No

As nouns, syndrome is a hypernym of Munchausen syndrome; that is, syndrome is a word with a broader meaning than Munchausen syndrome:

Munchausen syndrome: syndrome consisting of feigning acute and dramatic illness for which no clinical evidence is ever found
syndrome: a pattern of symptoms indicative of some disease

Munchausen syndrome (noun)	syndrome (noun)
syndrome consisting of feigning acute and dramatic illness for which no clinical evidence is ever found	a complex of concurrent things
	a pattern of symptoms indicative of some disease