ketotetrose vs tetrose

ketotetrose and tetrose both are nouns.

Word	Noun	Adjective	Verb	Adverb
ketotetrose	Yes	No	No	No
tetrose	Yes	No	No	No

As nouns, tetrose is a hypernym of ketotetrose; that is, tetrose is a word with a broader meaning than ketotetrose:

ketotetrose: A monosaccharide that has both a ketone and four carbons.
tetrose: any monosaccharide sugar containing four atoms of carbon per molecule

Other hypernyms of ketotetrose include ketose.

ketotetrose (noun)	tetrose (noun)
A monosaccharide that has both a ketone and four carbons.	any monosaccharide sugar containing four atoms of carbon per molecule