quince liqueur vs cordial

quince liqueur and cordial both are nouns.

Word	Noun	Adjective	Verb	Adverb
quince liqueur	Yes	No	No	No
cordial	Yes	Yes	No	No

As nouns, cordial is a hypernym of quince liqueur; that is, cordial is a word with a broader meaning than quince liqueur:

quince liqueur: any of a variety of strong alcoholic liqueurs made from quince fruit.
cordial: strong highly flavored sweet liquor usually drunk after a meal

Other hypernyms of quince liqueur include liqueur.

quince liqueur (noun)	cordial (noun)
any of a variety of strong alcoholic liqueurs made from quince fruit.	strong highly flavored sweet liquor usually drunk after a meal

quince liqueur (adjective)	cordial (adjective)
	diffusing warmth and friendliness
	politely warm and friendly
	sincerely or intensely felt