soup vs chowder

soup and chowder both are nouns.

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

As nouns, chowder is a hyponym of soup; that is, chowder is a word with a more specific, narrower meaning than soup:

soup: liquid food especially of meat or fish or vegetable stock often containing pieces of solid food
chowder: a thick soup or stew made with milk and bacon and onions and potatoes

soup (noun)	chowder (noun)
liquid food especially of meat or fish or vegetable stock often containing pieces of solid food	a thick soup or stew made with milk and bacon and onions and potatoes
an unfortunate situation
any composition having a consistency suggestive of soup

soup (verb)	chowder (verb)
dope (a racehorse)