convergency vs convergence

convergency and convergence both are nouns.

Word	Noun	Adjective	Verb	Adverb
convergency	Yes	No	No	No
convergence	Yes	No	No	No

As nouns, convergency and convergence are synonyms defined as:

Other synonyms of convergency include converging.

As nouns, convergency and convergence are synonyms defined as:

convergency and convergence: the approach of an infinite series to a finite limit

convergency (noun)	convergence (noun)
the act of converging (coming closer)	the act of converging (coming closer)
the approach of an infinite series to a finite limit	the approach of an infinite series to a finite limit
	a representation of common ground between theories or phenomena
	the occurrence of two or more things coming together