armour vs armourer

armour and armourer both are nouns.

Word	Noun	Adjective	Verb	Adverb
armour	Yes	No	Yes	No
armourer	Yes	No	No	No

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

armour (verb)	armourer (verb)
equip with armor