different between pacing vs pawing

English

pacing

pacing (plural pacings)

The act of moving in paces, or their arrangement or timing.
- 1973, Oliver Sacks, Awakenings
  We have repeatedly referred to the usefulness of steps, lines, ticks, clocks, routines, pacings, etc. - scales, measures, series, patterns, disposed in a fixed and regular and conventional space-time.

pawing

pawing (plural pawings)

The act of one who paws.
- 1946, Mazo de la Roche, Return to Jalna
  Firelight could be seen reflected on the ceiling of the drawing-room. Inside the deep stone porch, the heavy door was scarred by the pawings of many generations of dogs.

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