wilderness vs cornucopia

wilderness and cornucopia both are nouns.

Word	Noun	Adjective	Verb	Adverb
wilderness	Yes	No	No	No
cornucopia	Yes	No	No	No

As nouns, cornucopia is a hypernym of wilderness; that is, cornucopia is a word with a broader meaning than wilderness:

Other hypernyms of wilderness include profuseness, profusion, richness.

wilderness (noun)	cornucopia (noun)
a bewildering profusion	the property of being extremely abundant
a wild and uninhabited area left in its natural condition	a goat's horn filled with grain and flowers and fruit symbolizing prosperity
(politics) a state of disfavor