nucleic acid vs supermolecule

nucleic acid and supermolecule both are nouns.

Word	Noun	Adjective	Verb	Adverb
nucleic acid	Yes	No	No	No
supermolecule	Yes	No	No	No

As nouns, supermolecule is a hypernym of nucleic acid; that is, supermolecule is a word with a broader meaning than nucleic acid:

nucleic acid: (biochemistry) any of various macromolecules composed of nucleotide chains that are vital constituents of all living cells
supermolecule: any very large complex molecule; found only in plants and animals

Other hypernyms of nucleic acid include macromolecule.

nucleic acid (noun)	supermolecule (noun)
(biochemistry) any of various macromolecules composed of nucleotide chains that are vital constituents of all living cells	any very large complex molecule; found only in plants and animals