daytime vs daylight

daytime and daylight both are nouns.

Word	Noun	Adjective	Verb	Adverb
daytime	Yes	No	No	No
daylight	Yes	No	No	No

As nouns, daytime and daylight are synonyms defined as:

daytime and daylight: the time after sunrise and before sunset while it is light outside

Other synonyms of daytime include day.

daytime (noun)	daylight (noun)
the time after sunrise and before sunset while it is light outside	light during the daytime
	the time after sunrise and before sunset while it is light outside