convergence vs converging

convergence and converging both are nouns.

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

As nouns, convergence and converging are synonyms defined as:

Other synonyms of convergence include convergency.

convergence (noun)	converging (noun)
the act of converging (coming closer)	the act of converging (coming closer)
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