military blockade vs beleaguering

military blockade and beleaguering both are nouns.

Word	Noun	Adjective	Verb	Adverb
military blockade	Yes	No	No	No
beleaguering	Yes	No	No	No

As nouns, military blockade and beleaguering are synonyms defined as:

military blockade and beleaguering: the action of an armed force that surrounds a fortified place and isolates it while continuing to attack

Other synonyms of military blockade include besieging, siege.

military blockade (noun)	beleaguering (noun)
the action of an armed force that surrounds a fortified place and isolates it while continuing to attack	the action of an armed force that surrounds a fortified place and isolates it while continuing to attack