Cong /(?)/

Cong

n.
  1. An abbreviation of Congius. (Med.)

Congé

n.
  1. The act of taking leave; parting ceremony; farewell; also, dismissal.
    Should she pay off old Briggs and give her her congé?
  2. The customary act of civility on any occasion; a bow or a courtesy.
    The captain salutes you with congé profound.
  3. An apophyge. (Arch.)

Phrases & Compounds
‖Congé d'élire
the sovereign's license or permission to a dean and chapter to choose as bishop the person nominated in the missive.