escutcheon vs shield

escutcheon and shield both are nouns.

Word	Noun	Adjective	Verb	Adverb
escutcheon	Yes	No	No	No
shield	Yes	No	Yes	No

As nouns, shield is a hypernym of escutcheon; that is, shield is a word with a broader meaning than escutcheon:

Other hypernyms of escutcheon include buckler.

escutcheon (noun)	shield (noun)
a shield; especially one displaying a coat of arms	hard outer covering or case of certain organisms such as arthropods and turtles
(nautical) a plate on a ship's stern on which the name is inscribed	armor carried on the arm to intercept blows
a flat protective covering (on a door or wall etc) to prevent soiling by dirty fingers	a protective covering or structure

escutcheon (verb)	shield (verb)
	protect, hide, or conceal from danger or harm
	hold back a thought or feeling about