armour plate vs sabaton

armour plate and sabaton both are nouns.

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

As nouns, sabaton is a hyponym of armour plate; that is, sabaton is a word with a more specific, narrower meaning than armour plate:

armour plate: specially hardened steel plate used to protect fortifications or vehicles from enemy fire
sabaton: armor plate that protects the foot; consists of mail with a solid toe and heel

armour plate (noun)	sabaton (noun)
specially hardened steel plate used to protect fortifications or vehicles from enemy fire	armor plate that protects the foot; consists of mail with a solid toe and heel