counteradvantage

noun2

1. •
   An advantage held by an opponent.

   • Besides the up-to-date quality of Germany's warships (and her armoured ships had always been so tough as to be virtually unsinkable by gunfire), Germany had two other great counteradvantages. — 2021
2. •
   A disadvantage that cancels out an advantage.

   • However, Lijphart is not convinced of the validity of this criticism and points out counteradvantages. — 1983