| English | eng-000 |
| zero order | |
| 普通话 | cmn-000 | 零序 |
| 普通话 | cmn-000 | 零次 |
| 普通话 | cmn-000 | 零级 |
| 普通话 | cmn-000 | 零阶 |
| English | eng-000 | null sequence |
| English | eng-000 | zero degree |
| English | eng-000 | zerolevel |
| English | eng-000 | zerosequence |
| English | eng-000 | zeroth level |
| English | eng-000 | zeroth-order |