Both are nouns. Yet, "dependence" emphasizes the quality of being dependent. So, it may also be abstract. Whereas, "dependency" focuses on the state of being dependent.

What is the difference between dependency and dependency?

and dependency as "the quality of being dependent; dependence". According to the meaning, I think "dependence" is more likely to be used in concrete situations and "dependency" in abstract situations.

Are dependencies the same as libraries?

4 Answers. Module dependencies are classes, archives, libraries and resources that your module files references. While a library is a set of class files stored in an archive or directory.