frontier
| Angla substantivo English noun | |
| Singularo | Pluralo |
| frontier | frontiers |
Fontoj
redakti- O'Connor, J. C. kaj Hayes, C. F. English-Esperanto Dictionary. Londono: Review of Reviews, 1906. (gutenberg.org/ebooks/16967)
| Angla substantivo English noun | |
| Singularo | Pluralo |
| frontier | frontiers |