suit of armour vs cataphract

suit of armour and cataphract both are nouns.

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

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

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

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

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