Synonyms for Jerusalem Artichoke (same or very similar meaning)
WordNet sense 1 (tall perennial with hairy stems and leaves; widely cultivated for its large irregular edible tubers):
girasol, Helianthus tuberosus, Jerusalem artichoke sunflowerWordNet sense 2 (sunflower tuber eaten raw or boiled or sliced thin and fried as Saratoga chips):
sunchokeFrom the ODE community, based on WordNetadd/edit