Having a variety of words to express similar meanings is an important aspect of language. In terms of synonyms for the phrase "of the same form", there are many options available. For instance, instead of saying "of the same form", one could use terms such as uniform, consistent, identical, constant, or regular. Each of these words conveys the idea that something is consistent or identical across different instances. It's useful to have a diverse range of synonyms at one's disposal when writing or speaking, allowing for greater nuance and precision in communication.