prolificacy vs richness

prolificacy and richness both are nouns.

Word	Noun	Adjective	Verb	Adverb
prolificacy	Yes	No	No	No
richness	Yes	No	No	No

As nouns, prolificacy and richness are synonyms defined as:

prolificacy and richness: the property of producing abundantly and sustaining vigorous and luxuriant growth

Other synonyms of prolificacy include fertility, rankness.

prolificacy (noun)	richness (noun)
the property of producing abundantly and sustaining vigorous and luxuriant growth	a strong deep vividness of hue
	the property of a sensation that is rich and pleasing
	the property of producing abundantly and sustaining vigorous and luxuriant growth
	the property of being extremely abundant
	splendid or imposing in size or appearance
	the quality of having high intrinsic value
	abundant wealth