fauld vs armour plate

fauld and armour plate both are nouns.

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

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

fauld: a piece of armor plate below the breastplate
armour plate: specially hardened steel plate used to protect fortifications or vehicles from enemy fire

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

fauld (noun)	armour plate (noun)
a piece of armor plate below the breastplate	specially hardened steel plate used to protect fortifications or vehicles from enemy fire