Jerusalem artichoke vs sunchoke

Jerusalem artichoke and sunchoke both are nouns.

Word	Noun	Adjective	Verb	Adverb
Jerusalem artichoke	Yes	No	No	No
sunchoke	Yes	No	No	No

As nouns, Jerusalem artichoke and sunchoke are synonyms defined as:

Jerusalem artichoke and sunchoke: sunflower tuber eaten raw or boiled or sliced thin and fried as Saratoga chips

Jerusalem artichoke (noun)	sunchoke (noun)
sunflower tuber eaten raw or boiled or sliced thin and fried as Saratoga chips	sunflower tuber eaten raw or boiled or sliced thin and fried as Saratoga chips
tall perennial with hairy stems and leaves; widely cultivated for its large irregular edible tubers
edible tuber of the Jerusalem artichoke