coenzyme vs molecule

coenzyme and molecule both are nouns.

Word	Noun	Adjective	Verb	Adverb
coenzyme	Yes	No	No	No
molecule	Yes	No	No	No

As nouns, molecule is a hypernym of coenzyme; that is, molecule is a word with a broader meaning than coenzyme:

coenzyme: a small molecule (not a protein but sometimes a vitamin) essential for the activity of some enzymes
molecule: (physics and chemistry) the simplest structural unit of an element or compound

coenzyme (noun)	molecule (noun)
a small molecule (not a protein but sometimes a vitamin) essential for the activity of some enzymes	(physics and chemistry) the simplest structural unit of an element or compound
	(nontechnical usage) a tiny piece of anything