French endive vs witloof

French endive and witloof both are nouns.

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

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

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

Other synonyms of French endive include Belgian endive.

French 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