The phrase "hath bite" may have a limited pool of synonyms due to its specificity. However, there are a few ways to convey the same meaning. One could use phrases such as "is sharp," "is ferocious," or "has a deadly bite." Additionally, words like "venomous," "poisonous," or "toxic" could also be used to describe something that hath bite. If referring specifically to an animal, words like "predator" or "carnivorous" could be utilized. While these alternatives may not be exact synonyms, they convey a similar message of danger or threat.