gag rule vs gag law

gag rule and gag law both are nouns.

Word	Noun	Adjective	Verb	Adverb
gag rule	Yes	No	No	No
gag law	Yes	No	No	No

As nouns, gag rule and gag law are synonyms defined as:

gag rule and gag law: a rule for limiting or ending debate in a deliberative body

Other synonyms of gag rule include closure, cloture.

gag rule (noun)	gag law (noun)
a rule for limiting or ending debate in a deliberative body	any law that limits freedom of the press
	a rule for limiting or ending debate in a deliberative body