curd vs bean curd

curd and bean curd both are nouns.

Word	Noun	Adjective	Verb	Adverb
curd	Yes	No	No	No
bean curd	Yes	No	No	No

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

Other hyponyms of curd include tofu.

curd (noun)	bean curd (noun)
coagulated milk; used to make cheese	cheeselike food made of curdled soybean milk
a coagulated liquid resembling milk curd