Godzillas is a word that may be difficult to find synonyms for, as it is a proper noun that refers to a specific character in Japanese pop culture. However, there are a few options for similar words that could be used in a similar context. For example, the word "kaiju" is also used to describe large monsters in Japanese culture, and could be used as an alternative. Other words like "giant," "colossal," or "enormous" could also be used, depending on the intended meaning. While there may not be direct synonyms for the term "Godzillas," there are certainly options available for writers looking to describe large, monstrous creatures.