gag law vs guillotine

gag law and guillotine both are nouns.

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

As nouns, guillotine is a hyponym of gag law; that is, guillotine is a word with a more specific, narrower meaning than gag law:

Other hyponyms of gag law include closure by compartment.

gag law (noun)	guillotine (noun)
any law that limits freedom of the press	instrument of execution that consists of a weighted blade between two vertical poles; used for beheading people
a rule for limiting or ending debate in a deliberative body	closure imposed on the debate of specific sections of a bill

gag law (verb)	guillotine (verb)
	kill by cutting the head off with a guillotine