Alexander Graham Bell vs artificer

Alexander Graham Bell and artificer both are nouns.

Word	Noun	Adjective	Verb	Adverb
Alexander Graham Bell	Yes	No	No	No
artificer	Yes	No	No	No

Alexander Graham Bell (noun)	artificer (noun)
United States inventor (born in Scotland) of the telephone (1847-1922)	a skilled worker who practices some trade or handicraft
	someone who is the first to think of or make something
	an enlisted man responsible for the upkeep of small arms and machine guns etc.