bombard vs bomb

bombard and bomb both are nouns.

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

As verbs, bombard and bomb are synonyms defined as:

bombard (noun)	bomb (noun)
a large shawm; the bass member of the shawm family	an explosive device fused to explode under specific conditions
	strong sealed vessel for measuring heat of combustion
	an event that fails badly or is totally ineffectual

bombard (verb)	bomb (verb)
direct high energy particles or radiation against	throw bombs at or attack with bombs
address with continuously or persistently, as if with a barrage	fail to get a passing grade
throw bombs at or attack with bombs
cast, hurl, or throw repeatedly with some missile