bean curd vs curd

bean curd and curd both are nouns.

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

As nouns, curd is a hypernym of bean curd; that is, curd is a word with a broader meaning than bean curd:

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