radicchio vs chicory

radicchio and chicory both are nouns.

Word	Noun	Adjective	Verb	Adverb
radicchio	Yes	No	No	No
chicory	Yes	No	No	No

As nouns, chicory is a hypernym of radicchio; that is, chicory is a word with a broader meaning than radicchio:

Other hypernyms of radicchio include curly endive.

radicchio (noun)	chicory (noun)
prized variety of chicory having globose heads of red leaves	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