jambeau vs armor plate

jambeau and armor plate both are nouns.

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

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

jambeau: armor plate that protects legs below the knee
armor plate: specially hardened steel plate used to protect fortifications or vehicles from enemy fire

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

jambeau (noun)	armor plate (noun)
armor plate that protects legs below the knee	specially hardened steel plate used to protect fortifications or vehicles from enemy fire