duplication
noun/ˌduːplɪˈkeɪʃən/
Frequency rank: #11,038 most common English word
Meaning
The action of making an exact copy of something, or doing the same thing twice unnecessarily.

Example sentence
The manager noticed duplication of effort when two teams worked on the same project without communicating.
Synonyms & related words
- repetition
- redundancy
- overlap
- copying
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