bottleneck vs blockade

bottleneck and blockade both are nouns.

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

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

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

bottleneck (noun)	blockade (noun)
the narrow part of a bottle near the top	a war measure that isolates some area of importance to the enemy
a narrowing that reduces the flow through a channel	prevents access or progress

bottleneck (verb)	blockade (verb)
become narrow, like a bottleneck	impose a blockade on
slow down or impede by creating an obstruction	obstruct access to
	render unsuitable for passage
	hinder or prevent the progress or accomplishment of