synching

/S IH1 N CH IH0 NG/
verb
  1. 1

    To synchronize, especially in the senses of data synchronization, time synchronization, or synchronizing music with video.

    โ€œOur cloud storage automatically syncs your files to all your devices.โ€

  2. 2

    To flush all pending I/O operations to disk.

Source: https://en.wiktionary.org/wiki/sync, https://en.wiktionary.org/wiki/synch, https://en.wiktionary.org/wiki/synching