Alternative form is a commonly used term in the English language. It refers to a different version of something that exists. However, there are numerous other synonyms that can be used to describe the same concept. Some of the most widely used synonyms for the term alternative form include variant, substitute, alternative, option, choice, variation, and alternative version. These synonyms can be used interchangeably depending on the context or situation. They can be used in varied fields like science, literature, music, and more. So, if someone is looking to express an alternative form, there are plenty of different ways to do so.