different between episcopacy vs archdeacon

English

From episcopa(te) +? -cy and/or episcopa(l) +? -cy.

episcopacy (plural episcopacies)

The office of bishop and the governance of the Church by bishops.
- 2009, John Sadler, Glencoe, Amberley 2009, p. 16:
  Further religious division occurred during the post-Restoration decades in the reign of Charles II, when strenuous and violent efforts were made by the Government to impose an episcopacy on the Scottish Church.
Bishops collectively; episcopate.

From arch- +? deacon, or Late Latin archidiaconus.

archdeacon (plural archdeacons)

(ecclesiastical) In the Anglican and Eastern Orthodox systems, a senior administrative official in a diocese, just under the bishop, often in charge of an archdeaconry. As a title, it can be filled by either a deacon or priest.

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