Yes dependence is the base word for co-dependence.
His dependence on his mother handicapped him in a relationship. She regretted her dependence upon his advice.
No, there is no physical dependence associated with LSD.
Having a drug dependence is an addiction.
The people dependence is on you not on the mayor.
The suffix of "dependence" is "-ence."
Legg's Dependence was created in 1760.
The Anatomy of Dependence was created in 1971.
It is the "Only" supplier.
Sole supplier is the only one supplier can be sourced in market. Single supplier is the one can be substituted by alternative supplier but buyer sources from single supplier for strategic reason. (PVO consolidation, etc)
The Anatomy of Dependence has 170 pages.
That will vary from supplier to supplier.