assail vs cannonade

assail is not a noun while cannonade is a noun.

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

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

assail: launch an attack or assault on; begin hostilities or start warfare with
cannonade: attack with cannons or artillery

assail (noun)	cannonade (noun)
	intense and continuous artillery fire

assail (verb)	cannonade (verb)
attack in speech or writing	attack with cannons or artillery
attack someone physically or emotionally
launch an attack or assault on; begin hostilities or start warfare with