duplicate
adjective
°being the same as another; identical. This may exclude the first identical item in a series, but usage is inconsistent.
"This is a duplicate entry."
verb
°to make a copy of.
"If we duplicate the information, are we really accomplishing much?"
°to do repeatedly; to do again.
"You don't need to duplicate my efforts."
noun
°One that resembles or corresponds to another; an identical copy.
"This is a duplicate, but a very good replica."
synonyms: reproduction