The word "pronging" can be tricky to find synonyms for, as it is a bit of an uncommon term. However, some possible alternatives might include words like "forking," "splitting," or "dividing." These words all suggest a similar kind of action to pronging, where something is being split apart or separated into two or more parts. Other possible synonyms could include terms like "piercing," "prodding," or "penetrating," which suggest a more forceful or aggressive action. Ultimately, the choice of synonyms for pronging will depend on the context in which the word is being used, as well as the tone and meaning that the writer or speaker is trying to convey.