duplicate - noun

something additional of the same kind

a copy that corresponds to an original exactly

duplicate - verb

• make or do or perform again
• duplicate or match
• make a duplicate or duplicates of
• increase twofold

duplicate - adjective

• identically copied from an original
• being two identical

duplicate - thesaurus

double   duplication   extra   matching   parallel   reduplicate   repeat   replicate   twin   twinned