different between clocking vs flocking

English

clocking

clocking (plural clockings)

A time measurement made according to a clock.
- 2012, Kurt C. Schlichting, Grand Central's Engineer
  At all of the major “breakup” yards where the railroads unloaded and loaded freight — waterfront railyards, pier stations, and inland freight depots — teams conducted clockings, recording all movements of trains […]
- 2012, R. Flodna Knob, The Monster Between My Legs
  He picked up the sheet of paper which showed the clockings of the two employees. He looked again at the clockings that Earrell had made and smiled to himself; on the fifth of the month, he had skipped his break completely […]

flocking

flocking (plural flockings)

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