| Subject | English | Japanese |
| comp., MS | Bulk Duplicate Detection | 重複データ一括検出 (A system job that detects duplicate records for one entity) |
| comp., MS | duplicate alert suppression | 重複するアラートの抑制 (A feature that combines multiple identical alerts within a specified period of time into one alert) |
| comp., MS | duplicate detection | 重複データ検出 (A data management process that identifies similar or identical data) |
| comp., MS | Duplicate Detection Rule Publication | 重複データ検出ルールの発行 (A system job that publishes a duplicate detection rule) |
| gen. | n duplicate key | 合鍵 |
| gen. | n duplicate key | 合かぎ |
| gen. | n duplicate key | 合い鍵 |
| comp., MS | duplicate link | 重複リンク (A Team Foundation link between two work items that represent the same work item. In practice, this occurs when two people report the same bug) |
| gen. | n duplicate pair | 二通り news2 nf28 |
| comp., MS | duplicate removal | 重複の削除 (A type of grouping that removes documents with duplicate or near-duplicate content from search results) |
| gen. | n duplicate sample | 控え見本 (ひかえみほん) |
| gen. | duplicate service | ２回線受電 |
| gen. | n duplicate stitch | メリヤス刺繍 |
| el.gen. | duplicate supply | 二重給電 |
| el.mot. | duplicate test | 形式確認試験 |
| gen. | in duplicate | 繰り返して |
| gen. | in duplicate | 二通り |
| gen. | in duplicate | 複製して |
| gen. | n original and duplicate | 正副二通 |