habergeon vs chain armor

habergeon and chain armor both are nouns.

Word	Noun	Adjective	Verb	Adverb
habergeon	Yes	No	No	No
chain armor	Yes	No	No	No

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

habergeon: (Middle Ages) a light sleeveless coat of chain mail worn under the hauberk
chain armor: (Middle Ages) flexible armor made of interlinked metal rings

Other hypernyms of habergeon include chain armour, chain mail, mail, ring armor, ring armour, ring mail.

habergeon (noun)	chain armor (noun)
(Middle Ages) a light sleeveless coat of chain mail worn under the hauberk	(Middle Ages) flexible armor made of interlinked metal rings