murphy vs starches

murphy and starches both are nouns.

Word	Noun	Adjective	Verb	Adverb
murphy	Yes	No	No	No
starches	Yes	No	No	No

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

murphy: an edible tuber native to South America; a staple food of Ireland
starches: foodstuff rich in natural starch (especially potatoes, rice, bread)

Other hypernyms of murphy include solanaceous vegetable, root vegetable.

murphy (noun)	starches (noun)
an edible tuber native to South America; a staple food of Ireland	foodstuff rich in natural starch (especially potatoes, rice, bread)