starches vs murphy

starches and murphy both are nouns.

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

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

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

Other hyponyms of starches include bread, breadstuff, staff of life, Irish potato, potato, spud, tater, white potato, rice.

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