suit of armour vs body armor

suit of armour and body armor both are nouns.

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

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

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

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

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