hexose vs simple sugar

hexose and simple sugar both are nouns.

Word	Noun	Adjective	Verb	Adverb
hexose	Yes	No	No	No
simple sugar	Yes	No	No	No

As nouns, simple sugar is a hypernym of hexose; that is, simple sugar is a word with a broader meaning than hexose:

hexose: a monosaccharide that contains six carbon atoms per molecule
simple sugar: a sugar (like sucrose or fructose) that does not hydrolyse to give other sugars; the simplest group of carbohydrates

Other hypernyms of hexose include monosaccharide, monosaccharose.

hexose (noun)	simple sugar (noun)
a monosaccharide that contains six carbon atoms per molecule	a sugar (like sucrose or fructose) that does not hydrolyse to give other sugars; the simplest group of carbohydrates