breadstick vs bread

breadstick and bread both are nouns.

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

As nouns, bread is a hypernym of breadstick; that is, bread is a word with a broader meaning than breadstick:

breadstick: a crisp stick-shaped roll; often served with soup
bread: food made from dough of flour or meal and usually raised with yeast or baking powder and then baked

Other hypernyms of breadstick include breadstuff, staff of life.

breadstick (noun)	bread (noun)
a crisp stick-shaped roll; often served with soup	food made from dough of flour or meal and usually raised with yeast or baking powder and then baked
	informal terms for money

breadstick (verb)	bread (verb)
	cover with bread crumbs