dextroglucose vs grape sugar

dextroglucose and grape sugar both are nouns.

Word	Noun	Adjective	Verb	Adverb
dextroglucose	Yes	No	No	No
grape sugar	Yes	No	No	No

As nouns, dextroglucose and grape sugar are synonyms defined as:

dextroglucose and grape sugar: an isomer of glucose that is found in honey and sweet fruits

Other synonyms of dextroglucose include dextrose.

dextroglucose (noun)	grape sugar (noun)
an isomer of glucose that is found in honey and sweet fruits	an isomer of glucose that is found in honey and sweet fruits