competency vs competence

competency and competence both are nouns.

Word	Noun	Adjective	Verb	Adverb
competency	Yes	No	No	No
competence	Yes	No	No	No

As nouns, competency and competence are synonyms defined as:

competency and competence: the quality of being adequately or well qualified physically and intellectually

competency (noun)	competence (noun)
the quality of being adequately or well qualified physically and intellectually	the quality of being adequately or well qualified physically and intellectually