The word "wounder" has limited synonyms in the English language. One of the closest synonyms is "injurer," which means someone who causes an injury or harm. Another synonym for "wounder" is "hurtful," which refers to something that causes pain or harm. Other possible synonyms include "assailant," "attacker," or "aggressor," which are commonly used to describe someone who intentionally causes harm to another person. However, it is essential to note that the context and tone in which these synonyms are used can differ, potentially changing their meaning. Therefore, it is important to understand the situation before choosing the appropriate synonym for "wounder".