profusion vs verdure

profusion and verdure both are nouns.

Word	Noun	Adjective	Verb	Adverb
profusion	Yes	No	No	No
verdure	Yes	No	No	No

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

Other hyponyms of profusion include overgrowth, greenness, verdancy, wilderness.

profusion (noun)	verdure (noun)
the property of being extremely abundant	the lush appearance of flourishing vegetation
	green foliage