rankness vs fertility

rankness and fertility both are nouns.

Word	Noun	Adjective	Verb	Adverb
rankness	Yes	No	No	No
fertility	Yes	No	No	No

As nouns, rankness and fertility are synonyms defined as:

rankness and fertility: the property of producing abundantly and sustaining vigorous and luxuriant growth

Other synonyms of rankness include prolificacy, richness.

rankness (noun)	fertility (noun)
the attribute of having a strong offensive smell	the property of producing abundantly and sustaining vigorous and luxuriant growth
the property of producing abundantly and sustaining vigorous and luxuriant growth	the state of being fertile; capable of producing offspring
	the ratio of live births in an area to the population of that area; expressed per 1000 population per year