repeat vs cycle

repeat and cycle both are nouns.

Word	Noun	Adjective	Verb	Adverb
repeat	Yes	No	Yes	No
cycle	Yes	No	Yes	No

As nouns, cycle is a hyponym of repeat; that is, cycle is a word with a more specific, narrower meaning than repeat:

Other hyponyms of repeat include sequence, rematch, replay, recurrence, return.

As verbs, cycle is a hyponym of repeat; that is, cycle is a word with a more specific, narrower meaning than repeat:

Other hyponyms of repeat include iterate.

repeat (noun)	cycle (noun)
an event that repeats	a wheeled vehicle that has two wheels and is moved by foot pedals
	a single complete execution of a periodically repeated phenomenon
	a periodically repeated sequence of events
	a series of poems or songs on the same theme
	an interval during which a recurring sequence of events occurs
	the unit of frequency; one hertz has a periodic interval of one second (named for Heinrich Rudolph Hertz)

repeat (verb)	cycle (verb)
happen or occur again	recur in repeating sequences
to say, state, or perform again	ride a motorcycle
to say again or imitate	ride a bicycle
make or do or perform again	pass through a cycle
repeat an earlier theme of a composition	cause to go through a recurring sequence
do over