spud vs starches

spud and starches both are nouns.

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

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

spud: 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 spud include solanaceous vegetable, root vegetable.

spud (noun)	starches (noun)
a sharp hand shovel for digging out roots and weeds	foodstuff rich in natural starch (especially potatoes, rice, bread)
an edible tuber native to South America; a staple food of Ireland

spud (verb)	starches (verb)
produce buds, branches, or germinate
initiate drilling operations, as for petroleum