cochief means A joint chief. Lexicurio rates it Sui generis — a strength score of 85 out of 100.
Etymology
From co- + chief. Piecewise doublet of cohead.
noun
- A joint chief.“Under the supervision of the cochiefs of the Youth Activities Section, and working within a wide range of suggested activities, plans and coordinates the activities of youth between the ages of 10 and 18, as they may be related to civilian defense.”