eve vs time period

eve and time period both are nouns.

Word	Noun	Adjective	Verb	Adverb
eve	Yes	No	No	No
time period	Yes	No	No	No

As nouns, time period is a hypernym of eve; that is, time period is a word with a broader meaning than eve:

Other hypernyms of eve include period, period of time.

eve (noun)	time period (noun)
the latter part of the day (the period of decreasing daylight from late afternoon until nightfall)	an amount of time
the day before
the period immediately before something