dough vs bread dough

dough and bread dough both are nouns.

Word	Noun	Adjective	Verb	Adverb
dough	Yes	No	No	No
bread dough	Yes	No	No	No

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

Other hyponyms of dough include pastry, pastry dough, yeast dough.

dough (noun)	bread dough (noun)
a flour mixture stiff enough to knead or roll	any of various doughs for bread
informal terms for money