When writing, it's important to have a diverse vocabulary to avoid sounding repetitive. One common phrase that writers often use is "are based on." However, there are many synonyms for this phrase that can be used to add variety to your writing. Some examples include "stem from," "derive from," "originate from," "are founded on," and "are grounded in." Utilizing these synonyms can help make your writing more engaging and interesting to read. Whether you're writing an essay, a blog post, or any other type of content, incorporating synonyms for "are based on" is an easy way to improve your writing style.