The term "letterpeople" is not very common, and as such, there are not many synonyms for it. However, some possible alternatives include "word people," "letter characters," "alphabet figures," "letter folk," and "language symbols." These phrases convey a similar idea to "letterpeople," referring to characters or figures that represent letters of the alphabet. Additionally, you might consider using the terms "typography characters" or "font figures," depending on the context. When writing about this topic, it is important to clarify the meaning of the term "letterpeople" to avoid confusion and be sure your readers understand the concept you are discussing.