Duplicate
Part of speech: adjective
Definition: being the same as another; identical. This may exclude the first identical item in a series, but usage is inconsistent.
Part of speech: noun
Definition: One that resembles or corresponds to another; an identical copy.
Part of speech: verb
Definition: to make a copy of to do repeatedly; to do again to produce something equal to
Replicate
Part of speech: verb
Definition: To make a copy (replica) of