flavin vs ketone

flavin and ketone both are nouns.

Word	Noun	Adjective	Verb	Adverb
flavin	Yes	No	No	No
ketone	Yes	No	No	No

As nouns, ketone is a hypernym of flavin; that is, ketone is a word with a broader meaning than flavin:

flavin: a ketone that forms the nucleus of certain natural yellow pigments like riboflavin
ketone: any of a class of organic compounds having a carbonyl group linked to a carbon atom in each of two hydrocarbon radicals

flavin (noun)	ketone (noun)
a ketone that forms the nucleus of certain natural yellow pigments like riboflavin	any of a class of organic compounds having a carbonyl group linked to a carbon atom in each of two hydrocarbon radicals