Nouns

(n)attack, onslaught, onset, onrush(military) an offensive against an enemy (using weapons)“the attack began at dawn”
(n)attackan offensive move in a sport or game“they won the game with a 10-hit attack in the 9th inning”
(n)fire, attack, flak, flack, blastintense adverse criticism“Clinton directed his fire at the Republican Party”, “the government has come under attack”, “don't give me any flak”
(n)approach, attack, plan of attackideas or actions intended to deal with a problem or situation“his approach to every problem is to draw up a list of pros and cons”, “an attack on inflation”, “his plan of attack was misguided”
(n)attack, attemptthe act of attacking“attacks on women increased last year”, “they made an attempt on his life”
(n)attack, tone-beginninga decisive manner of beginning a musical tone or phrase
(n)attacka sudden occurrence of an uncontrollable condition“an attack of diarrhea”
(n)attackthe onset of a corrosive or destructive process (as by a chemical agent)“the film was sensitive to attack by acids”, “open to attack by the elements”
(n)attackstrong criticism“he published an unexpected attack on my work”

Verbs

(v)attack, assaillaunch an attack or assault on; begin hostilities or start warfare with“Hitler attacked Poland on September 1, 1939 and started World War II”, “Serbian forces assailed Bosnian towns all week”
(v)attack, round, assail, lash out, snipe, assaultattack in speech or writing“The editors of the left-leaning paper attacked the new House Speaker”
(v)attack, aggresstake the initiative and go on the offensive“The Serbs attacked the village at night”, “The visiting team started to attack”
(v)assail, assault, set on, attackattack someone physically or emotionally“The mugger assaulted the woman”, “Nightmares assailed him regularly”
(v)attackset to work upon; turn one's energies vigorously to a task“I attacked the problem as soon as I got out of bed”
(v)attackbegin to injure“The cancer cells are attacking his liver”, “Rust is attacking the metal”