staff of life vs starches

staff of life and starches both are nouns.

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

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

staff of life: food made from dough of flour or meal and usually raised with yeast or baking powder and then baked
starches: foodstuff rich in natural starch (especially potatoes, rice, bread)

Other hypernyms of staff of life include baked goods.

staff of life (noun)	starches (noun)
food made from dough of flour or meal and usually raised with yeast or baking powder and then baked	foodstuff rich in natural starch (especially potatoes, rice, bread)