curry vs lamb curry

curry and lamb curry both are nouns.

Word	Noun	Adjective	Verb	Adverb
curry	Yes	No	Yes	No
lamb curry	Yes	No	No	No

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

curry: (East Indian cookery) a pungent dish of vegetables or meats flavored with curry powder and usually eaten with rice
lamb curry: curry made with lamb

curry (noun)	lamb curry (noun)
(East Indian cookery) a pungent dish of vegetables or meats flavored with curry powder and usually eaten with rice	curry made with lamb

curry (verb)	lamb curry (verb)
give a neat appearance to
treat by incorporating fat
season with a mixture of spices; typical of Indian cooking