scutcheon vs shield

scutcheon and shield both are nouns.

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

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

Other hypernyms of scutcheon include buckler.

scutcheon (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
a flat protective covering (on a door or wall etc) to prevent soiling by dirty fingers	armor carried on the arm to intercept blows
	a protective covering or structure

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