Likely names for unbuilt Ark Royal sister ships

What might additional Ark Royal-class carriers have been called?

Probably names such as Victorious and Formidable, which were subsequently used for Illustrious-class carriers.

Additional Ark Royal-class ships might have been named Victorious or Formidable. Both names were later used among the Illustrious-class carriers, which hints that they were already available within the Navy's naming pool. This remains an informed possibility rather than a documented naming decision.