blockade vs block off

blockade is a noun but block off is not a noun.

Word	Noun	Adjective	Verb	Adverb
blockade	Yes	No	Yes	No
block off	No	No	Yes	No

As verbs, blockade and block off are synonyms defined as:

As verbs, blockade and block off are synonyms defined as:

Other synonyms of blockade include bar, barricade, block, block up, stop.

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

Other hyponyms of blockade include close off, shut off, close.

blockade (noun)	block off (noun)
a war measure that isolates some area of importance to the enemy
prevents access or progress

blockade (verb)	block off (verb)
impose a blockade on	obstruct access to
obstruct access to	render unsuitable for passage
render unsuitable for passage	block off the passage through
hinder or prevent the progress or accomplishment of