| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | higiena | higienaj |
| Accusative | higienan | higienajn |
| Danish | hygiejnisk |
|---|---|
| Dutch | hygiënisch; sanitair |
| English | hygienic |
| French | hygiénique |
| German | gesundheitlich; hygienisch; Gesundheits‐ |
| Greek | υγιενός |
| Italian | igienico |
| Papiamento | higieniko |
| Portuguese | higiénico |
| Saterland Frisian | gesuundhaidlik; hygienisk |
| Swedish | hygienisk |