simple sugar vs triose

simple sugar and triose both are nouns.

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

As nouns, triose is a hyponym of simple sugar; that is, triose 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
triose: any monosaccharide sugar containing three atoms of carbon per molecule

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

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