ring armor vs suit of armor

ring armor and suit of armor both are nouns.

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

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

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

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