suit of armor vs suit of armour

suit of armor and suit of armour both are nouns.

Word	Noun	Adjective	Verb	Adverb
suit of armor	Yes	No	No	No
suit of armour	Yes	No	No	No

As nouns, suit of armor and suit of armour are synonyms defined as:

suit of armor and suit of armour: armor that protects the wearer's whole body

Other synonyms of suit of armor include body armor, body armour, cataphract, coat of mail.

suit of armor (noun)	suit of armour (noun)
armor that protects the wearer's whole body	armor that protects the wearer's whole body