Words used in ancient times but no longer in general use now

The correct answer is Archaic.

• Extinct means no longer existing.
• Current means happening or being used now.
• Modern means belonging to or characteristic of the present or recent times.
• Archaic means belonging to or characteristic of an earlier period and no longer in general use.

Therefore, the correct answer is Archaic because it refers to words that were used in ancient times but are no longer in general use now.