hem in vs assail

hem in and assail both are verbs.

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

As verbs, assail is a hypernym of hem in; that is, assail is a word with a broader meaning than hem in:

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

Other hypernyms of hem in include attack.

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