| Part of speech | adjective |
|---|---|
| Pronunciation | /flɑk/ |
| Hyphenation | vlak |
| Attributive form | vlak |
|---|---|
| Comparative | vlakker |
| Superlative | vlakste |
| Catalan | llis |
|---|---|
| Danish | flad |
| Dutch | effen; gelijk; vlak |
| English | level |
| Esperanto | ebena |
| French | plat; uni |
| German | eben; glatt; flach; Flach‐ |
| Italian | piano; d’avorio |
| Latin | aequus; planus |
| Low German | vlak |
| Luxemburgish | flaach |
| Portuguese | chão; chato; plano; raso |
| Saterland Frisian | ieuwen; glääd; flak |
| Spanish | llano; plano |
| Swedish | flack; jämn |
| West Frisian | flak |