rematch vs repetition

rematch and repetition both are nouns.

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

As nouns, repetition is a hypernym of rematch; that is, repetition is a word with a broader meaning than rematch:

Other hypernyms of rematch include repeat.

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