The word "smush" might not be the most commonly used word, but there are many synonyms that can convey a similar meaning. Words like "squish," "smash," "crush," and "press" are just a few examples. All these words indicate exerting force to compress something, alter its shape, or flatten it. Other alternatives include "mash," "flatten," "compact," and "squelch," among others. Depending on the context, different synonyms may be more or less appropriate to use. However, by having these alternatives at one's disposal, writers can enhance their creativity and improve the variety of language used.