blackthorn liqueur vs cordial

blackthorn liqueur and cordial both are nouns.

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

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

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

Other hypernyms of blackthorn liqueur include liqueur.

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

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