It actually doesn't, but gin does have the addition of juniper berries in the distilling process which might raise overhead.
Vodka are unaged spirits whereas whisk(e)y has to age in wooden barrels, and depending on the kind of whisk(e)y recipe, it may or may not be mixed with other whisk(e)ys to create a blend.
Neither of them have sugar.
vodka
Gin and vodka are both distilled spirits from grain or vegetable sources (not grapes) with the only difference being that gin has added flavor from the juniper berry. Brandy is distilled from wine, coming ultimately from grapes.
gin
He drinks a vodka martini "shaken, not stirred."
Wine Brandy Whisky Tequila Rum Vodka Gin
Gin, Vodka, Rum/rhum, teuilla, whiskey, brandy and Lambanog
gin and vodka
Brandy, gin, or vodka
Gin must contain juniper berries, otherwise it's vodka.
beer,vodka,tequila,gin,etc.
The word gin derives from the Dutch word jenever and somehow winds its way back to the Latin word for juniper. Gin is made by distilling rye or other grains and flavoring it with juniper berries and other aromatics and botanicals.