Thioic acid is a sulfur-containing organic acid commonly found in biological systems. However, there are several synonyms that can be used to refer to thioic acid, such as thiocarboxylic acid, thiosulfonic acid, and sulfanylacetic acid. These terms can be used interchangeably when referring to this acid, and they are derived from the different functional groups that exist in its molecular structure. Thioic acid is known for its antioxidant and antibacterial properties, making it useful in several applications such as food preservation and skincare. Understanding the different synonyms for thioic acid can help scientists and researchers communicate more effectively in their work.