malt sugar vs disaccharide

malt sugar and disaccharide both are nouns.

Word	Noun	Adjective	Verb	Adverb
malt sugar	Yes	No	No	No
disaccharide	Yes	No	No	No

As nouns, disaccharide is a hypernym of malt sugar; that is, disaccharide is a word with a broader meaning than malt sugar:

malt sugar: a white crystalline sugar formed during the digestion of starches
disaccharide: any of a variety of carbohydrates that yield two monosaccharide molecules on complete hydrolysis

malt sugar (noun)	disaccharide (noun)
a white crystalline sugar formed during the digestion of starches	any of a variety of carbohydrates that yield two monosaccharide molecules on complete hydrolysis