bombard vs bombardment

bombard and bombardment both are nouns.

Word	Noun	Adjective	Verb	Adverb
bombard	Yes	No	Yes	No
bombardment	Yes	No	No	No

bombard (noun)	bombardment (noun)
a large shawm; the bass member of the shawm family	the heavy fire of artillery to saturate an area rather than hit a specific target
	an attack by dropping bombs
	the act (or an instance) of subjecting a body or substance to the impact of high-energy particles (as electrons or alpha rays)
	the rapid and continuous delivery of linguistic communication (spoken or written)

bombard (verb)	bombardment (verb)
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