breadstick vs staff of life

breadstick and staff of life both are nouns.

Word	Noun	Adjective	Verb	Adverb
breadstick	Yes	No	No	No
staff of life	Yes	No	No	No

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

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

Other hypernyms of breadstick include bread, breadstuff.

breadstick (noun)	staff of life (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