Dependency vs Dependance - What's the difference?

As nouns the difference between dependency and dependance

is that dependency is a state of dependence; a refusal to exercise initiative while dependance is dependence.

(dependencies)

A state of dependence; a refusal to exercise initiative.

Frank's sullen dependency was driving his father nuts.

Something dependent on, or subordinate to, something else:

In the United States' governmental structure, the military is conceived as a dependency under the executive branch.

A colony, or a territory subject to rule by an external power.

A dependence on a habit-forming substance such as a drug or alcohol; addiction.

(computing) Reliance on the functionality provided by some other, external component.

This library has a lot of dependencies . We have to compile all of those other libraries first.

(en noun)

(archaic) dependence

* 1651, Thomas Hobbes, Leviathon, Chapter 5

...Science is the knowledge of consequences, and dependance of one fact upon another...

----