Ohm's law vs law of nature

Ohm's law and law of nature both are nouns.

Word	Noun	Adjective	Verb	Adverb
Ohm's law	Yes	No	No	No
law of nature	Yes	No	No	No

As nouns, law of nature is a hypernym of Ohm's law; that is, law of nature is a word with a broader meaning than Ohm's law:

Ohm's law: electric current is directly proportional to voltage and inversely proportional to resistance; I = E/R
law of nature: a generalization that describes recurring facts or events in nature

Other hypernyms of Ohm's law include law.

Ohm's law (noun)	law of nature (noun)
electric current is directly proportional to voltage and inversely proportional to resistance; I = E/R	a generalization that describes recurring facts or events in nature