The phrase "most hewed" can be replaced with a number of different synonyms depending on the context. Some possible options might include "thoroughly chopped," "severely carved," "deeply incised," "roughly hewn," or "violently hacked." Each of these options conveys a slightly different nuance, so it's important to choose the one that best fits the desired tone and meaning. For example, "severely carved" may suggest a deliberate and intentional act of carving, while "violently hacked" might imply a more chaotic or destructive force. Ultimately, the best synonym will depend on the specific context in which "most hewed" is being used.