fries vs potato

fries and potato both are nouns.

Word	Noun	Adjective	Verb	Adverb
fries	Yes	No	No	No
potato	Yes	No	No	No

As nouns, potato is a hypernym of fries; that is, potato is a word with a broader meaning than fries:

Other hypernyms of fries include Irish potato, murphy, spud, tater, white potato.

fries (noun)	potato (noun)
strips of potato fried in deep fat	an edible tuber native to South America; a staple food of Ireland
	annual native to South America having underground stolons bearing edible starchy tubers; widely cultivated as a garden vegetable; vines are poisonous