Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun duplication

2 senses of duplication

Sense 1
duplicate, duplication -- (a copy that corresponds to an original exactly; "he made a duplicate for the files")
       => copy -- (a thing made to be similar or identical to another thing; "she made a copy of the designer dress"; "the clone was a copy of its ancestor")

Sense 2
duplication, gemination -- (the act of copying or making a duplicate (or duplicates) of something; "this kind of duplication is wasteful")
       => copying -- (an act of copying)