ketose vs ketotriose

ketose and ketotriose both are nouns.

Word	Noun	Adjective	Verb	Adverb
ketose	Yes	No	No	No
ketotriose	Yes	No	No	No

As nouns, ketotriose is a hyponym of ketose; that is, ketotriose is a word with a more specific, narrower meaning than ketose:

ketose: any monosaccharide sugar that contains a ketone group or its hemiacetal
ketotriose: Any ketose having three carbon atoms; in reality, only dihydroxyacetone.

Other hyponyms of ketose include ketohexose, ketotetrose, ketoheptose.

ketose (noun)	ketotriose (noun)
any monosaccharide sugar that contains a ketone group or its hemiacetal	Any ketose having three carbon atoms; in reality, only dihydroxyacetone.