law of nature vs conception

law of nature and conception both are nouns.

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

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

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

Other hypernyms of law of nature include concept, construct.

law of nature (noun)	conception (noun)
a generalization that describes recurring facts or events in nature	the act of becoming pregnant; fertilization of an ovum by a spermatozoon
	an abstract or general idea inferred or derived from specific instances
	the creation of something in the mind
	the event that occurred at the beginning of something