coextensive
Pronunciation:
/ˌkəʊɪkˈstɛnsɪv//ˌkoʊɛkˈstɛnsɪv/adjective
Definitions
Having the same spatial limits or boundaries; sharing the same area.
Example: The city and county of San Francisco are coextensive.
Occurring over the same period of time; contemporaneous.
Having the same extension—the object or set of objects to which a term refers.