Backup and Regent

Backup noun - A crowded mass (as of cars) that impedes or blocks movement.

Regent and backup are semantically related. In some cases you can use "Regent" instead a noun "Backup".

Nearby Word: backing

Regent noun - Someone who rules during the absence or incapacity or minority of the country's monarch.

Backup and regent are semantically related. Sometimes you can use "Backup" instead a noun "Regent".

Nearby Word: regency