block off vs blockade

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

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

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

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

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

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

Other hypernyms of block off include bar, barricade, block, block off, block up, stop.

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

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