sconce vs earthwork

sconce and earthwork both are nouns.

Word	Noun	Adjective	Verb	Adverb
sconce	Yes	No	No	No
earthwork	Yes	No	No	No

As nouns, earthwork is a hypernym of sconce; that is, earthwork is a word with a broader meaning than sconce:

Other hypernyms of sconce include fort, fortress.

sconce (noun)	earthwork (noun)
a decorative wall bracket for holding candles or other sources of light	an earthen rampart
a candle or flaming torch secured in a sconce
a small fort or earthwork defending a ford, pass, or castle gate
a shelter or screen providing protection from enemy fire or from the weather