front-stall vs armour plate

front-stall and armour plate both are nouns.

Word	Noun	Adjective	Verb	Adverb
front-stall	Yes	No	No	No
armour plate	Yes	No	No	No

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

front-stall: 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 front-stall include armor plate, armor plating, plate armor, plate armour.

front-stall (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