Accomplice and Allies

Accomplice noun - One associated with another in wrongdoing.

Allies and accomplice are semantically related in allied topic. In some cases you can use "Allies" instead a noun "Accomplice".

Allies noun - An alliance of nations joining together to fight a common enemy.

Accomplice and allies are semantically related in allied topic. You can use "Accomplice" instead a noun "Allies", if it concerns topics such as especially by treaty.