assail vs hem in

assail and hem in both are verbs.

Word	Noun	Adjective	Verb	Adverb
assail	No	No	Yes	No
hem in	No	No	Yes	No

As verbs, hem in is a hyponym of assail; that is, hem in is a word with a more specific, narrower meaning than assail:

assail: launch an attack or assault on; begin hostilities or start warfare with
hem in: surround so as to force to give up

assail (verb)	hem in (verb)
attack in speech or writing	surround so as to force to give up
attack someone physically or emotionally	surround in a restrictive manner
launch an attack or assault on; begin hostilities or start warfare with