blindside vs assail

blindside and assail both are verbs.

Word	Noun	Adjective	Verb	Adverb
blindside	No	No	Yes	No
assail	No	No	Yes	No

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

blindside: attack or hit on or from the side where the attacked person's view is obstructed
assail: attack someone physically or emotionally

Other hypernyms of blindside include assault, attack, set on.

blindside (verb)	assail (verb)
attack or hit on or from the side where the attacked person's view is obstructed	attack in speech or writing
catch unawares, especially with harmful consequences	attack someone physically or emotionally
	launch an attack or assault on; begin hostilities or start warfare with