duplicate

Meanings

• something additional of the same kind
• a copy that corresponds to an original exactly
  • "he made a duplicate for the files"
• make or do or perform again
• duplicate or match
• make a duplicate or duplicates of
  • "Could you please duplicate this letter for me?"
• increase twofold
• identically copied from an original
  • "a duplicate key"
• being two identical

Synonyms

double, duplication, extra, matching, parallel, reduplicate, repeat, replicate, twin, twinned