Aquatic herbs are plants that grow in water or in wet environments. Thymes (6 letters) is an aromatic herb with small, narrow leaves and a woody stem. Anises (6 letters) is a flowering plant with a licorice-like flavor and aroma. Burreeds (8 letters) is a type of aquatic plant with long, narrow leaves and a thick stem. All three of these herbs are commonly used in cooking and for medicinal purposes.