beef stock vs broth

beef stock and broth both are nouns.

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

As nouns, broth is a hypernym of beef stock; that is, broth is a word with a broader meaning than beef stock:

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

Other hypernyms of beef stock include stock.

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