armour vs outfit

armour and outfit both are nouns.

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

As verbs, outfit is a hypernym of armour; that is, outfit is a word with a broader meaning than armour:

Other hypernyms of armour include equip, fit, fit out.

armour (noun)	outfit (noun)
tough more-or-less rigid protective covering of an animal or plant	gear consisting of a set of articles or tools for a specified purpose
protective covering made of metal and used in combat	a set of clothing (with accessories)
a military unit consisting of armored fighting vehicles	any cohesive unit such as a military company

armour (verb)	outfit (verb)
equip with armor	provide with (something) usually for a specific purpose