epauliere vs armor plate

epauliere and armor plate both are nouns.

Word	Noun	Adjective	Verb	Adverb
epauliere	Yes	No	No	No
armor plate	Yes	No	No	No

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

epauliere: armor plate that protects the shoulder
armor plate: specially hardened steel plate used to protect fortifications or vehicles from enemy fire

Other hypernyms of epauliere include armor plating, armour plate, plate armor, plate armour.

epauliere (noun)	armor plate (noun)
armor plate that protects the shoulder	specially hardened steel plate used to protect fortifications or vehicles from enemy fire