sconce vs light source

sconce and light source both are nouns.

Word	Noun	Adjective	Verb	Adverb
sconce	Yes	No	No	No
light source	Yes	No	No	No

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

Other hypernyms of sconce include light.

sconce (noun)	light source (noun)
a decorative wall bracket for holding candles or other sources of light	any device serving as a source of illumination
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