recurrent event vs tide

recurrent event and tide both are nouns.

Word	Noun	Adjective	Verb	Adverb
recurrent event	Yes	No	No	No
tide	Yes	No	Yes	No

As nouns, tide is a hyponym of recurrent event; that is, tide is a word with a more specific, narrower meaning than recurrent event:

recurrent event: an event that recurs at intervals
tide: the periodic rise and fall of the sea level under the gravitational pull of the moon

Other hyponyms of recurrent event include migration, cycle, oscillation, repeat, repetition, sunrise, sunset, beat, heartbeat, pulsation, pulse.

recurrent event (noun)	tide (noun)
an event that recurs at intervals	the periodic rise and fall of the sea level under the gravitational pull of the moon
	something that may increase or decrease (like the tides of the sea)
	there are usually two high and two low tides each day