In lang=en terms the difference between attack and bully
is that
attack is to deal with something in a direct way; to set to work upon while
bully is to act aggressively towards.
As nouns the difference between attack and bully
is that
attack is an attempt to cause damage or injury to, or to somehow detract from the worth or credibility of, a person, position, idea, object, or thing, by physical, verbal, emotional, or other assault while
bully is a person who is cruel to others, especially those who are weaker or have less power.
As verbs the difference between attack and bully
is that
attack is to apply violent force to someone or something while
bully is to intimidate (someone) as a bully.
As an adjective bully is
(us|slang) very good; excellent.
As an interjection bully is
(often|followed by for) well done!.