eve vs 24-hour interval

eve and 24-hour interval both are nouns.

Word	Noun	Adjective	Verb	Adverb
eve	Yes	No	No	No
24-hour interval	Yes	No	No	No

As nouns, 24-hour interval is a hypernym of eve; that is, 24-hour interval is a word with a broader meaning than eve:

Other hypernyms of eve include day, mean solar day, solar day, twenty-four hour period, twenty-four hours.

eve (noun)	24-hour interval (noun)
the latter part of the day (the period of decreasing daylight from late afternoon until nightfall)	time for Earth to make a complete rotation on its axis
the day before
the period immediately before something