| English | eng-000 |
| femtohertz | |
| Deutsch | deu-000 | Femtohertz |
| français | fra-000 | femtohertz |
| galego | glg-000 | femtohercio |
| galego | glg-000 | femtohertz |
| italiano | ita-000 | femtohertz |
| 한국어 | kor-000 | 펨토헤르츠 |
| español | spa-000 | femtohercio |
| español | spa-000 | femtohertz |
| español | spa-000 | femtohertzio |