blockade vs bottleneck

blockade and bottleneck both are nouns.

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

As verbs, bottleneck is a hyponym of blockade; that is, bottleneck is a word with a more specific, narrower meaning than blockade:

Other hyponyms of blockade include stonewall, filibuster, check, hang.

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

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