| Lingua Franca Nova | lfn-000 |
| produos | |
| English | eng-000 | effective |
| English | eng-000 | effectively |
| English | eng-000 | effectual |
| English | eng-000 | effectually |
| English | eng-000 | efficacious |
| English | eng-000 | efficaciously |
| English | eng-000 | productive |
| English | eng-000 | productively |