Hypernyms (cordial is a kind of...): alcohol; alcoholic beverage; inebriant; intoxicant (a liquor or brew containing alcohol as the active agent) Hyponyms (each of the following is a kind of cordial): absinth; absinthe (strong green liqueur flavored with wormwood and anise) ratafee; ratafia (sweet liqueur made from wine and brandy flavored with plum or peach or apricot kernels and bitter almonds)
Bourbon is mostly made from corn, at least 51% corn. Rye whiskey is mostly or entirely made from Rye. They differ in many other details - for example Bourbon must be aged in new, charred American Oak barrels and made in the US, Scotch must be made in Scotland, but the big differences are the grains used.
Most Irish whiskey is blended [Jameson, Bushmills], but there are some high-dollar single malts [Laphroaig]. Serve it: Neat or on the rocks. Bourbon is American whiskey. Corn is the dominant grain used to make bourbon (instead of barley), which gives it a notably sweet taste, often with hints of vanilla picked up from the oak barrels. Bourbon has a long history in Kentucky, but it can be made anywhere, if it meets certain federal guidelines.