dependency vs dependance

dependency and dependance both are nouns.

Word	Noun	Adjective	Verb	Adverb
dependency	Yes	No	No	No
dependance	Yes	No	No	No

As nouns, dependency and dependance are synonyms defined as:

dependency and dependance: the state of relying on or being controlled by someone or something else

Other synonyms of dependency include dependence.

As nouns, dependency and dependance are synonyms defined as:

dependency and dependance: being abnormally tolerant to and dependent on something that is psychologically or physically habit-forming (especially alcohol or narcotic drugs)

Other synonyms of dependency include addiction, dependence, habituation.

dependency (noun)	dependance (noun)
a geographical area politically controlled by a distant country	the state of relying on or being controlled by someone or something else
the state of relying on or being controlled by someone or something else	being abnormally tolerant to and dependent on something that is psychologically or physically habit-forming (especially alcohol or narcotic drugs)
being abnormally tolerant to and dependent on something that is psychologically or physically habit-forming (especially alcohol or narcotic drugs)