bomber vs bomb

bomber and bomb both are nouns.

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

bomber (noun)	bomb (noun)
a military aircraft that drops bombs during flight	an explosive device fused to explode under specific conditions
a large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments); different names are used in different sections of the United States	strong sealed vessel for measuring heat of combustion
a person who plants bombs	an event that fails badly or is totally ineffectual

bomber (verb)	bomb (verb)
	throw bombs at or attack with bombs
	fail to get a passing grade