lash out vs blackguard

lash out is not a noun while blackguard is a noun.

Word	Noun	Adjective	Verb	Adverb
lash out	No	No	Yes	No
blackguard	Yes	No	Yes	No

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

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

lash out (noun)	blackguard (noun)
	someone who is morally reprehensible

lash out (verb)	blackguard (verb)
attack in speech or writing	use foul or abusive language towards
	subject to laughter or ridicule