cornucopia vs verdancy

cornucopia and verdancy both are nouns.

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

As nouns, verdancy is a hyponym of cornucopia; that is, verdancy is a word with a more specific, narrower meaning than cornucopia:

Other hyponyms of cornucopia include overgrowth, greenness, verdure, wilderness.

cornucopia (noun)	verdancy (noun)
the property of being extremely abundant	the lush appearance of flourishing vegetation
a goat's horn filled with grain and flowers and fruit symbolizing prosperity