simple sugar vs aldose

simple sugar and aldose both are nouns.

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

As nouns, aldose is a hyponym of simple sugar; that is, aldose is a word with a more specific, narrower meaning than simple sugar:

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

Other hyponyms of simple sugar include triose, tetrose, pentose, hexose, ketose, heptose.

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