Zinnias are beautiful flowering plants that are commonly used in gardens, as they add a lot of color and visual interest. They are known for their bright and vibrant hues, which make them a popular choice among gardeners. While zinnias are a popular choice, there are several other synonyms for the word "zinnia" that can be used when looking for a similar plant. Some of the synonyms for zinnia include marguerite, aster, daisy, and sunflower. Each of these plants has a unique beauty and can add a lot of visual interest to a garden, making them excellent alternatives to zinnias.