What's the difference between sheading and shending?

Sheading

Definition:

• (v. t.) A tithing, or division, in the Isle of Man, in which there is a coroner, or chief constable. The island is divided into six sheadings.

Example Sentences:

• (1) Thames Valley Police assistant chief constable Chris Shead defended the force's use of the weapon.

Shending

Definition:

• (p. pr. & vb. n.) of Shend

Example Sentences:

• (1) Lanzkowsky, P., Shende, A., Aral, I., Saluja, G. (1975).