reduplicate vs copy

reduplicate is not a noun while copy is a noun.

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

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

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

reduplicate (noun)	copy (noun)
	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

reduplicate (verb)	copy (verb)
make or do or perform again	reproduce someone's behavior or looks
form by reduplication	make a replica of
	reproduce or make an exact copy of
	copy down as is