blister vs assail

blister is a noun but assail is not a noun.

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

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

Other hypernyms of blister include assault, attack, lash out, round, snipe.

blister (noun)	assail (noun)
(pathology) an elevation of the skin filled with serous fluid
(botany) a swelling on a plant similar to that on the skin
a flaw on a surface resulting when an applied substance does not adhere (as an air bubble in a coat of paint)

blister (verb)	assail (verb)
get blistered	attack in speech or writing
cause blisters to form on	attack someone physically or emotionally
subject to harsh criticism	launch an attack or assault on; begin hostilities or start warfare with