different between papping vs tapping

English

papping

tapping (plural tappings)

An act of making a light hit or strike against something.
- 1897, Bram Stoker, Dracula Chapter 20
  As he was speaking there was a soft tapping at the door. I went over and opened it […]
(music) A guitar technique in which the strings are tapped against the fingerboard
The process by which a resource is tapped or exploited.
- 1938, Paul Burke Jacobs, Harry Paul Newton, Motor Fuels from Farm Products (page 99)
  Competitive tappings of a common oil pool can lead only to waste and overproduction, unless rigidly regulated […]
(electrical engineering) A connection made to some point between the end terminals of a transformer coil or other component.

tapping

Send