soup du jour vs soup

soup du jour and soup both are nouns.

Word	Noun	Adjective	Verb	Adverb
soup du jour	Yes	No	No	No
soup	Yes	No	Yes	No

As nouns, soup is a hypernym of soup du jour; that is, soup is a word with a broader meaning than soup du jour:

soup du jour: the soup that a restaurant is featuring on a given day
soup: liquid food especially of meat or fish or vegetable stock often containing pieces of solid food

soup du jour (noun)	soup (noun)
the soup that a restaurant is featuring on a given day	liquid food especially of meat or fish or vegetable stock often containing pieces of solid food
	an unfortunate situation
	any composition having a consistency suggestive of soup

soup du jour (verb)	soup (verb)
	dope (a racehorse)