| Part of speech | adjective |
|---|---|
| Pronunciation | /ry/ |
| Hyphenation | ru |
| Attributive form | ruwe |
|---|---|
| Comparative | ruwer |
| Superlative | ruuste |
| Dutch | bobbelig; bultig; oneffen; ruig; rul; ruw; schraal |
|---|---|
| English | coarse; rough; rugged |
| Esperanto | malglata |
| German | holperig; uneben; rau |
| Saterland Frisian | knubbelich |
| Spanish | áspero; rugoso |
| West Frisian | rûch |