armorer vs armor

armorer and armor both are nouns.

Word	Noun	Adjective	Verb	Adverb
armorer	Yes	No	No	No
armor	Yes	No	Yes	No

armorer (noun)	armor (noun)
a manufacturer of firearms	tough more-or-less rigid protective covering of an animal or plant
an enlisted man responsible for the upkeep of small arms and machine guns etc.	protective covering made of metal and used in combat
a worker skilled in making armor or arms	a military unit consisting of armored fighting vehicles

armorer (verb)	armor (verb)
	equip with armor