suit of armor vs body armour

suit of armor and body armour both are nouns.

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

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

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

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

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