attack vs blitz

attack and blitz both are nouns.

Word	Noun	Adjective	Verb	Adverb
attack	Yes	No	Yes	No
blitz	Yes	No	Yes	No

As nouns, blitz is a hyponym of attack; that is, blitz is a word with a more specific, narrower meaning than attack:

attack: (military) an offensive against an enemy (using weapons)
blitz: a swift and violent military offensive with intensive aerial bombardment

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

attack: launch an attack or assault on; begin hostilities or start warfare with
blitz: attack suddenly and without warning

attack (noun)	blitz (noun)
(military) an offensive against an enemy (using weapons)	a swift and violent military offensive with intensive aerial bombardment
a decisive manner of beginning a musical tone or phrase	(American football) defensive players try to break through the offensive line
the act of attacking
ideas or actions intended to deal with a problem or situation
an offensive move in a sport or game
strong criticism
intense adverse criticism
the onset of a corrosive or destructive process (as by a chemical agent)
a sudden occurrence of an uncontrollable condition

attack (verb)	blitz (verb)
begin to injure	attack suddenly and without warning
set to work upon; turn one's energies vigorously to a task
attack in speech or writing
launch an attack or assault on; begin hostilities or start warfare with
take the initiative and go on the offensive
attack someone physically or emotionally