mockernut vs hickory

mockernut and hickory both are nouns.

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

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

mockernut: smooth-barked North American hickory with 7 to 9 leaflets bearing a hard-shelled edible nut
hickory: American hardwood tree bearing edible nuts

Other hypernyms of mockernut include hickory tree.

mockernut (noun)	hickory (noun)
smooth-barked North American hickory with 7 to 9 leaflets bearing a hard-shelled edible nut	American hardwood tree bearing edible nuts
	valuable tough heavy hardwood from various hickory trees