duplicate
/ˈdjuː.plɪ.kət/noun
Definitions
One that resembles or corresponds to another; an identical copy.
Example: This is a duplicate, but a very good replica.
An original instrument repeated; a document which is the same as another in all essential particulars, and differing from a mere copy in having all the validity of an original.
A pawnbroker's ticket, which must be shown when redeeming a pledged item.
The game of duplicate bridge.
verb
Definitions
To make a copy of.
Example: Can you duplicate this kind of key?
To do repeatedly; to do again.
Example: You don't need to duplicate my efforts.
To produce something equal to.
Example: He found it hard to duplicate the skills of his wife.
adjective
Definitions
Being the same as another; identical.
Example: This is a duplicate entry.
(games) In which the hands of cards, tiles, etc. are preserved between rounds to be played again by other players.
Example: duplicate Scrabble