sentinel. A person or special body of persons assigned to provide protection or keep watch over, for example: guard, lookout, picket, protector, sentry, ward, watch.
Victrola. Originally, a phonograph from the Victor Talking Machine Company, Camden, NJ, but it eventually became more of a generic term for any brand of phonograph.
Splenda is a sucralose-based artificial sweetener and a sugar substitute. Stevia is a sweetener and sugar substitute made from the leaves of the plant species Stevia rebaudiana. 95% dextrose, maltodextrin, small amount of sucralose. Purpose.