Scotch malt whisky vs whisky

Scotch malt whisky and whisky both are nouns.

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

As nouns, whisky is a hypernym of Scotch malt whisky; that is, whisky 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
whisky: a liquor made from fermented mash of grain

Other hypernyms of Scotch malt whisky include whiskey.

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