filibuster vs blockade

filibuster and blockade both are nouns.

Word	Noun	Adjective	Verb	Adverb
filibuster	Yes	No	Yes	No
blockade	Yes	No	Yes	No

As verbs, blockade is a hypernym of filibuster; that is, blockade is a word with a broader meaning than filibuster:

Other hypernyms of filibuster include block, embarrass, hinder, obstruct, stymie, stymy.

filibuster (noun)	blockade (noun)
(law) a tactic for delaying or obstructing legislation by making long speeches	a war measure that isolates some area of importance to the enemy
a legislator who gives long speeches in an effort to delay or obstruct legislation that he (or she) opposes	prevents access or progress

filibuster (verb)	blockade (verb)
obstruct deliberately by delaying	impose a blockade on
	obstruct access to
	render unsuitable for passage
	hinder or prevent the progress or accomplishment of