monosaccharide vs simple sugar

monosaccharide and simple sugar both are nouns.

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

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

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

Other synonyms of monosaccharide include monosaccharose.

monosaccharide (noun)	simple sugar (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