sunlight vs visible light

sunlight and visible light both are nouns.

Word	Noun	Adjective	Verb	Adverb
sunlight	Yes	No	No	No
visible light	Yes	No	No	No

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

sunlight: the rays of the sun
visible light: (physics) electromagnetic radiation that can produce a visual sensation

Other hypernyms of sunlight include light, visible radiation.

sunlight (noun)	visible light (noun)
the rays of the sun	(physics) electromagnetic radiation that can produce a visual sensation