suit of armor vs body armor

suit of armor and body armor both are nouns.

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

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

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

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

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