| Part of speech | common noun |
|---|---|
| Pronunciation | /ˈɪndɛks/ |
| Plural | indexes, indices /ˈɪndɪsiz/ |
| Catalan | índex |
|---|---|
| Czech | rejstřík; seznam |
| Dutch | index; register |
| Esperanto | indekso |
| German | Index; Register; Verzeichnis |
| Luxemburgish | Index |
| Portuguese | índex |
| Saterland Frisian | Index; Register; Ferteeknis |
| Spanish | índice |