chamfron vs armour plate

chamfron and armour plate both are nouns.

Word	Noun	Adjective	Verb	Adverb
chamfron	Yes	No	No	No
armour plate	Yes	No	No	No

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

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

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

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