attack vs start

attack and start both are nouns.

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

As nouns, start is a hypernym of attack; that is, start is a word with a broader meaning than attack:

Other hypernyms of attack include beginning, commencement.

As verbs, start is a hypernym of attack; that is, start is a word with a broader meaning than attack:

Other hypernyms of attack include begin, commence, get, get down, set about, set out, start out.

attack (noun)	start (noun)
(military) an offensive against an enemy (using weapons)	the act of starting something
a decisive manner of beginning a musical tone or phrase	a sudden involuntary movement
the act of attacking	a turn to be a starter (in a game at the beginning)
ideas or actions intended to deal with a problem or situation	the advantage gained by beginning early (as in a race)
an offensive move in a sport or game	a signal to begin (as in a race)
strong criticism	the beginning of anything
intense adverse criticism	a line indicating the location of the start of a race or a game
the onset of a corrosive or destructive process (as by a chemical agent)	the time at which something is supposed to begin
a sudden occurrence of an uncontrollable condition

attack (verb)	start (verb)
begin to injure	take the first step or steps in carrying out an action
set to work upon; turn one's energies vigorously to a task	set in motion, cause to start
attack in speech or writing	play in the starting lineup
launch an attack or assault on; begin hostilities or start warfare with	bring into being
take the initiative and go on the offensive	get off the ground
attack someone physically or emotionally	begin or set in motion
	get going or set in motion
	depart for someplace
	bulge outward
	move or jump suddenly, as if in surprise or alarm
	begin work or acting in a certain capacity, office or job
	begin an event that is implied and limited by the nature or inherent function of the direct object
	have a beginning, in a temporal, spatial, or evaluative sense
	have a beginning characterized in some specified way