blockade vs surround

blockade and surround both are nouns.

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

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

Other hypernyms of blockade include beleaguer, besiege, circumvent, hem in.

blockade (noun)	surround (noun)
a war measure that isolates some area of importance to the enemy	the area in which something exists or lives
prevents access or progress

blockade (verb)	surround (verb)
impose a blockade on	surround so as to force to give up
obstruct access to	surround with a wall in order to fortify
render unsuitable for passage	extend on all sides of simultaneously; encircle
hinder or prevent the progress or accomplishment of	envelop completely