law of nature vs concept

law of nature and concept both are nouns.

Word	Noun	Adjective	Verb	Adverb
law of nature	Yes	No	No	No
concept	Yes	No	No	No

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

law of nature: a generalization that describes recurring facts or events in nature
concept: an abstract or general idea inferred or derived from specific instances

Other hypernyms of law of nature include conception, construct.

law of nature (noun)	concept (noun)
a generalization that describes recurring facts or events in nature	an abstract or general idea inferred or derived from specific instances