chanfron vs armor plate

chanfron and armor plate both are nouns.

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

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

chanfron: medieval plate armor to protect a horse's head
armor plate: specially hardened steel plate used to protect fortifications or vehicles from enemy fire

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

chanfron (noun)	armor plate (noun)
medieval plate armor to protect a horse's head	specially hardened steel plate used to protect fortifications or vehicles from enemy fire