| English | eng-000 |
| free-will | |
| English | eng-000 | ex gratia |
| English | eng-000 | gratuitous |
| English | eng-000 | unasked |
| English | eng-000 | voluntary |
| English | eng-000 | willing |
| ગુજરાતી | guj-000 | ઈચ્છા સ્વાતંત્ર્ય |
| русский | rus-000 | добровольный |
| español | spa-000 | arbitrio |
| Kiswahili | swh-000 | dhati |
| ภาษาไทย | tha-000 | ด้วยใจสมัคร |
| ภาษาไทย | tha-000 | เต็มใจ |