glucose vs corn sugar

glucose and corn sugar both are nouns.

Word	Noun	Adjective	Verb	Adverb
glucose	Yes	No	No	No
corn sugar	Yes	No	No	No

As nouns, corn sugar is a hyponym of glucose; that is, corn sugar is a word with a more specific, narrower meaning than glucose:

glucose: a monosaccharide sugar that has several forms; an important source of physiological energy
corn sugar: dextrose made by hydrolysis of cornstarch

Other hyponyms of glucose include glucosamine, dextroglucose, dextrose, grape sugar, blood glucose, blood sugar.

glucose (noun)	corn sugar (noun)
a monosaccharide sugar that has several forms; an important source of physiological energy	dextrose used as sweetening agent
	dextrose made by hydrolysis of cornstarch