simple sugar vs monosaccharide

simple sugar and monosaccharide both are nouns.

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

As nouns, simple sugar and monosaccharide are synonyms defined as:

simple sugar and monosaccharide: a sugar (like sucrose or fructose) that does not hydrolyse to give other sugars; the simplest group of carbohydrates

Other synonyms of simple sugar include monosaccharose.

simple sugar (noun)	monosaccharide (noun)
a sugar (like sucrose or fructose) that does not hydrolyse to give other sugars; the simplest group of carbohydrates	a sugar (like sucrose or fructose) that does not hydrolyse to give other sugars; the simplest group of carbohydrates