| Part of speech | common noun |
|---|---|
| Hyphenation | fe·nestr·o |
| Singular | Plural | |
|---|---|---|
| Nominative | fenestro | fenestroj |
| Accusative | fenestron | fenestrojn |
| Afrikaans | venster |
|---|---|
| Albanian | dritare |
| Catalan | finestra |
| Czech | okénko; okno |
| Danish | vindue |
| Dutch | raam; venster |
| English | window |
| English (Old English) | eagþyrel |
| Faeroese | vindeyga |
| Finnish | ikkuna |
| French | fenêtre |
| German | Fenster |
| Greek | παράθυρο |
| Hungarian | ablak |
| Icelandic | gluggi |
| Italian | finestra |
| Latin | fenestra |
| Low German | vinster; venster; veinster |
| Norwegian | vindu |
| Papiamento | bentana |
| Polish | okno |
| Portuguese | janela |
| Romanian | fereastră |
| Russian | окно |
| Saterland Frisian | Finster |
| Scots | windae |
| Scottish Gaelic | uinneag |
| Spanish | ventana |
| Sranan | fensre |
| Swedish | fönster |
| Thai | หน้าต่าง |
| Turkish | pencere |
| Ukrainian | вікно |
| Welsh | ffenestr |
| West Frisian | finster; ramt; rút |