| Part of speech | unknown part of speech |
|---|
| Dutch | aftakelen; gebrekkig worden; in verval raken; vervallen |
|---|---|
| English | be on the decline; go downhill; go off; decay; tank |
| German | gebrechlich werden; verfallen |
| Spanish | envejecer |
| West Frisian | minder wurde; ôftakelje |