saccharose vs disaccharide

saccharose and disaccharide both are nouns.

Word	Noun	Adjective	Verb	Adverb
saccharose	Yes	No	No	No
disaccharide	Yes	No	No	No

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

saccharose: a complex carbohydrate found in many plants and used as a sweetening agent
disaccharide: any of a variety of carbohydrates that yield two monosaccharide molecules on complete hydrolysis

Other hypernyms of saccharose include plant product.

saccharose (noun)	disaccharide (noun)
a complex carbohydrate found in many plants and used as a sweetening agent	any of a variety of carbohydrates that yield two monosaccharide molecules on complete hydrolysis