Scotch malt whisky vs whiskey

Scotch malt whisky and whiskey both are nouns.

Word	Noun	Adjective	Verb	Adverb
Scotch malt whisky	Yes	No	No	No
whiskey	Yes	No	No	No

As nouns, whiskey is a hypernym of Scotch malt whisky; that is, whiskey is a word with a broader meaning than Scotch malt whisky:

Scotch malt whisky: whiskey distilled in Scotland; especially whiskey made from malted barley in a pot still
whiskey: a liquor made from fermented mash of grain

Other hypernyms of Scotch malt whisky include whisky.

Scotch malt whisky (noun)	whiskey (noun)
whiskey distilled in Scotland; especially whiskey made from malted barley in a pot still	a liquor made from fermented mash of grain