repeat vs copy

repeat and copy both are nouns.

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

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

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

repeat (noun)	copy (noun)
an event that repeats	a thing made to be similar or identical to another thing
	a reproduction of a written record (e.g. of a legal or school record)
	matter to be printed; exclusive of graphical materials
	material suitable for a journalistic account

repeat (verb)	copy (verb)
happen or occur again	reproduce someone's behavior or looks
to say, state, or perform again	make a replica of
to say again or imitate	reproduce or make an exact copy of
make or do or perform again	copy down as is
repeat an earlier theme of a composition
do over