attack vs blackguard

attack and blackguard both are nouns.

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

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

Other hyponyms of attack include abuse, clapperclaw, shout, claw, vitriol, rip, whang, barrage, bombard, blister, scald, scorch, whip, rubbish.

attack (noun)	blackguard (noun)
(military) an offensive against an enemy (using weapons)	someone who is morally reprehensible
a decisive manner of beginning a musical tone or phrase
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)	blackguard (verb)
begin to injure	use foul or abusive language towards
set to work upon; turn one's energies vigorously to a task	subject to laughter or ridicule
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