French endive vs Belgian endive

French endive and Belgian endive both are nouns.

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

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

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

Other synonyms of French endive include witloof.

French endive (noun)	Belgian endive (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