chicory vs curly endive

chicory and curly endive both are nouns.

Word	Noun	Adjective	Verb	Adverb
chicory	Yes	No	No	No
curly endive	Yes	No	No	No

As nouns, chicory and curly endive are synonyms defined as:

chicory (noun)	curly endive (noun)
crisp spiky leaves with somewhat bitter taste	crisp spiky leaves with somewhat bitter taste
root of the chicory plant roasted and ground to substitute for or adulterate coffee
perennial Old World herb having rayed flower heads with blue florets cultivated for its root and its heads of crisp edible leaves used in salads
the dried root of the chicory plant: used as a coffee substitute