| Subject | English | Japanese |
| law | acknowledgment of claim | 請求の認諾 |
| law | acknowledgment of paternity | 認知 (にんち) |
| comp., MS | acknowledgment required | 受信確認要 (A field in the header of a Status-Control message. If a Status-Control request has acknowledgment required (ACKRQD) set in the message header, the recipient must supply a Status-Control response before the sender sends further messages or further Status-Control requests) |
| comp., MS | negative acknowledgment | 否定応答 (A control code, ASCII character 21 (hexadecimal 15), transmitted to a sending station or computer by the receiving unit as a signal that transmitted information has arrived incorrectly) |
| gen. | n vs public acknowledgment | 表彰 ichi1 news1 nf05 |
| gen. | n written acknowledgment | 請書 (うけしょ) |
| gen. | n written acknowledgment | 請け書 (うけしょ) |
| gen. | n written acknowledgment of debt | 借用証書 (しやくようしょうしょ) |
| gen. | n written acknowledgment of debt | 借用書 (しゃくようしょ) |