Backing-up is a common phrase when referring to protecting or securing data. However, there are several synonyms to this phrase that can be used interchangeably. One synonym is duplicating, which refers to creating multiple copies of data for backup purposes. Another synonym is mirroring, which means copying data to another location for redundancy. Replicating, on the other hand, pertains to creating an exact copy of data for backup or archival purposes. Cloning is also a synonym for backing-up, referring to creating a perfect replica of data for backup. Finally, replicating or synchronizing data can also be used as synonyms to backing-up, both of which refer to creating multiple copies of data to prevent data loss.