fish chowder vs chowder

fish chowder and chowder both are nouns.

Word	Noun	Adjective	Verb	Adverb
fish chowder	Yes	No	No	No
chowder	Yes	No	No	No

As nouns, chowder is a hypernym of fish chowder; that is, chowder is a word with a broader meaning than fish chowder:

fish chowder: chowder containing fish
chowder: a thick soup or stew made with milk and bacon and onions and potatoes

fish chowder (noun)	chowder (noun)
chowder containing fish	a thick soup or stew made with milk and bacon and onions and potatoes