potato vs white potato

potato and white potato both are nouns.

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

As nouns, potato and white potato are synonyms defined as:

potato and white potato: an edible tuber native to South America; a staple food of Ireland

Other synonyms of potato include Irish potato, murphy, spud, tater.

As nouns, potato and white potato are synonyms defined as:

potato and white potato: annual native to South America having underground stolons bearing edible starchy tubers; widely cultivated as a garden vegetable; vines are poisonous

Other synonyms of potato include Solanum tuberosum, white potato vine.

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