Coriander seed oil, also known as cilantro oil, is a popular ingredient used for its unique flavor and aroma. As with any ingredient, there are synonyms for coriander seed oil that can be used to give a similar taste to dishes. Some common synonyms for coriander seed oil include cilantro essential oil, coriander essential oil, coriander leaf oil, and coriander extract. These alternatives can be used in place of coriander seed oil, especially when the latter is not available. When using a substitute, be sure to use the right amount and keep an eye on the flavor to ensure the desired results.