repetition vs rematch

repetition and rematch both are nouns.

Word	Noun	Adjective	Verb	Adverb
repetition	Yes	No	No	No
rematch	Yes	No	No	No

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

Other hyponyms of repetition include sequence, cycle, replay, recurrence, return.

repetition (noun)	rematch (noun)
the act of doing or performing again	something (especially a game) that is played again
the repeated use of the same word or word pattern as a rhetorical device
an event that repeats