seal off vs beleaguer

seal off and beleaguer both are verbs.

Word	Noun	Adjective	Verb	Adverb
seal off	No	No	Yes	No
beleaguer	No	No	Yes	No

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

Other hypernyms of seal off include besiege, circumvent, hem in, surround.

seal off (verb)	beleaguer (verb)
impose a blockade on	surround so as to force to give up
make tight; secure against leakage	annoy persistently