aegis vs armor plating

aegis and armor plating both are nouns.

Word	Noun	Adjective	Verb	Adverb
aegis	Yes	No	No	No
armor plating	Yes	No	No	No

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

aegis: armor plate that protects the chest; the front part of a cuirass
armor plating: specially hardened steel plate used to protect fortifications or vehicles from enemy fire

Other hypernyms of aegis include armor plate, armour plate, plate armor, plate armour.

aegis (noun)	armor plating (noun)
kindly endorsement and guidance	specially hardened steel plate used to protect fortifications or vehicles from enemy fire
armor plate that protects the chest; the front part of a cuirass