Belgian endive vs witloof

Belgian endive and witloof both are nouns.

Word	Noun	Adjective	Verb	Adverb
Belgian endive	Yes	No	No	No
witloof	Yes	No	No	No

As nouns, Belgian endive and witloof are synonyms defined as:

Belgian endive and witloof: young broad-leaved endive plant deprived of light to form a narrow whitish head

Other synonyms of Belgian endive include French endive.

Belgian endive (noun)	witloof (noun)
young broad-leaved endive plant deprived of light to form a narrow whitish head	young broad-leaved endive plant deprived of light to form a narrow whitish head
	widely cultivated herb with leaves valued as salad green; either curly serrated leaves or broad flat ones that are usually blanched