cataphract vs suit of armour

cataphract and suit of armour both are nouns.

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

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

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

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

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