repeat vs replicate

repeat is a noun but replicate is not a noun.

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

As verbs, repeat and replicate are synonyms defined as:

Other synonyms of repeat include double, duplicate, reduplicate.

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

Other hyponyms of repeat include copy, recapitulate, geminate, reduplicate.

repeat (noun)	replicate (noun)
an event that repeats

repeat (verb)	replicate (verb)
happen or occur again	make or do or perform again
to say, state, or perform again	reproduce or make an exact copy of
to say again or imitate	bend or turn backward
make or do or perform again
repeat an earlier theme of a composition
do over