ring armour vs body armour

ring armour and body armour both are nouns.

Word	Noun	Adjective	Verb	Adverb
ring armour	Yes	No	No	No
body armour	Yes	No	No	No

As nouns, body armour is a hypernym of ring armour; that is, body armour is a word with a broader meaning than ring armour:

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

ring armour (noun)	body armour (noun)
(Middle Ages) flexible armor made of interlinked metal rings	armor that protects the wearer's whole body