The word "scutters" is not widely used in modern English, and therefore it may be difficult to find many synonyms that are commonly known. However, some possible synonyms for "scutters" include "skitters," "skips," "jitters," "shudders," or "quivers." These words may all convey a sense of quick, frenzied movements or slight trembling or shaking, which are some of the possible meanings of "scutters." Depending on the context, other words such as "flits," "darts," or "flickers" could also be used to describe similar actions. Ultimately, the choice of a synonym will depend on the specific context, tone, and stylistic preferences of the speaker or writer.