lash out vs bombard

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

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

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

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

lash out (noun)	bombard (noun)
	a large shawm; the bass member of the shawm family

lash out (verb)	bombard (verb)
attack in speech or writing	direct high energy particles or radiation against
	address with continuously or persistently, as if with a barrage
	throw bombs at or attack with bombs
	cast, hurl, or throw repeatedly with some missile