reduplication vs repetition

reduplication and repetition both are nouns.

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

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

Other hypernyms of reduplication include repeating.

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

reduplication: repetition of the final words of a sentence or line at the beginning of the next
repetition: the repeated use of the same word or word pattern as a rhetorical device

reduplication (noun)	repetition (noun)
the act of repeating over and again (or an instance thereof)	the act of doing or performing again
a word formed by or containing a repeated syllable or speech sound (usually at the beginning of the word)	the repeated use of the same word or word pattern as a rhetorical device
the syllable added in a reduplicated word form	an event that repeats
repetition of the final words of a sentence or line at the beginning of the next