person vs bomber

person and bomber both are nouns.

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

person (noun)	bomber (noun)
a human being; person, singular, assertive existential pronoun; pronoun, person, singular; quantifier: assertive existential	a military aircraft that drops bombs during flight
a human body (usually including the clothing)	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
a grammatical category used in the classification of pronouns, possessive determiners, and verb forms according to whether they indicate the speaker, the addressee, or a third party	a person who plants bombs