wood sugar vs xylose

wood sugar and xylose both are nouns.

Word	Noun	Adjective	Verb	Adverb
wood sugar	Yes	No	No	No
xylose	Yes	No	No	No

As nouns, wood sugar and xylose are synonyms defined as:

wood sugar and xylose: a sugar extracted from wood or straw; used in foods for diabetics

wood sugar (noun)	xylose (noun)
a sugar extracted from wood or straw; used in foods for diabetics	a sugar extracted from wood or straw; used in foods for diabetics