nutmeg hickory vs hickory

nutmeg hickory and hickory both are nouns.

Word	Noun	Adjective	Verb	Adverb
nutmeg hickory	Yes	No	No	No
hickory	Yes	No	No	No

As nouns, hickory is a hypernym of nutmeg hickory; that is, hickory is a word with a broader meaning than nutmeg hickory:

nutmeg hickory: hickory of southern United States and Mexico having hard nutmeg-shaped nuts
hickory: American hardwood tree bearing edible nuts

Other hypernyms of nutmeg hickory include hickory tree.

nutmeg hickory (noun)	hickory (noun)
hickory of southern United States and Mexico having hard nutmeg-shaped nuts	American hardwood tree bearing edible nuts
	valuable tough heavy hardwood from various hickory trees