dairy product vs curd

dairy product and curd both are nouns.

Word	Noun	Adjective	Verb	Adverb
dairy product	Yes	No	No	No
curd	Yes	No	No	No

As nouns, curd is a hyponym of dairy product; that is, curd is a word with a more specific, narrower meaning than dairy product:

Other hyponyms of dairy product include milk, cream, half-and-half, butter, yoghourt, yoghurt, yogurt, whey, clabber, cheese.

dairy product (noun)	curd (noun)
milk and butter and cheese	coagulated milk; used to make cheese
	a coagulated liquid resembling milk curd