broth vs chicken stock

broth and chicken stock both are nouns.

Word	Noun	Adjective	Verb	Adverb
broth	Yes	No	No	No
chicken stock	Yes	No	No	No

As nouns, chicken stock is a hyponym of broth; that is, chicken stock is a word with a more specific, narrower meaning than broth:

broth: liquid in which meat and vegetables are simmered; used as a basis for e.g. soups or sauces
chicken stock: a stock made with chicken

Other hyponyms of broth include liquor, pot likker, pot liquor, beef broth, beef stock, chicken broth, stock cube.

broth (noun)	chicken stock (noun)
a thin soup of meat or fish or vegetable stock	a stock made with chicken
liquid in which meat and vegetables are simmered; used as a basis for e.g. soups or sauces