divergence vs divergency

divergence and divergency both are nouns.

Word	Noun	Adjective	Verb	Adverb
divergence	Yes	No	No	No
divergency	Yes	No	No	No

As nouns, divergence and divergency are synonyms defined as:

divergence and divergency: the act of moving away in different direction from a common point

As nouns, divergence and divergency are synonyms defined as:

divergence (noun)	divergency (noun)
the act of moving away in different direction from a common point	the act of moving away in different direction from a common point
a difference between conflicting facts or claims or opinions	an infinite series that has no limit
an infinite series that has no limit
a variation that deviates from the standard or norm