The term "pigs ears" is commonly used to refer to a type of dog treat made from dried pig ears. However, there are several other synonyms for this popular treat, including pig snouts, pig feet, and pig skin chews. All of these treats are made from different parts of the pig and provide a similar chewy texture that dogs love. Some other popular dog treats that can be used as alternatives to pigs ears include bully sticks, deer antlers, and rawhide bones. It's important to note that while these treats can be beneficial for dental health and keeping dogs entertained, they should always be given in moderation and under supervision to prevent choking hazards.