grape sugar vs dextroglucose

grape sugar and dextroglucose both are nouns.

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

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

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

Other synonyms of grape sugar include dextrose.

grape sugar (noun)	dextroglucose (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