The appropriate homonym for the word "BOAR" is Bore.

• Boar: A male pig.

• "Bore" sounds the same as "Boar" but has different meanings, such as:

  • To make someone feel uninterested ("The lecture was a bore.")

  • To drill a hole ("He bore a hole in the wall.")

Both "boar" and "bore" are pronounced the same, but they have different meanings. Therefore, they are homonyms.