twenty-four hour period vs daylight

twenty-four hour period and daylight both are nouns.

Word	Noun	Adjective	Verb	Adverb
twenty-four hour period	Yes	No	No	No
daylight	Yes	No	No	No

twenty-four hour period (noun)	daylight (noun)
time for Earth to make a complete rotation on its axis	light during the daytime
	the time after sunrise and before sunset while it is light outside