Splenda is a brand name for a zero-calorie sweetener that is commonly used as a sugar substitute worldwide. However, there are several synonyms for the word Splenda, including Sucralose, Equal, Sweet One, and NutraSweet. Sucralose is a synthetic sugar that is often used to sweeten foods and drinks, while Equal is another brand of zero-calorie sweetener that contains aspartame. Sweet One is a trademarked name for another artificial sweetener commonly used in the food industry, while NutraSweet is a brand name that is similar to Equal. These synonyms can be used interchangeably with Splenda to refer to a low-calorie sweetener that provides a sweet taste without the added calories of sugar.