| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | arkeologia | arkeologiaj |
| Accusative | arkeologian | arkeologiajn |
| Dutch | archeologisch; oudheidkundig |
|---|---|
| English | archaeological |
| French | archéologique |
| German | archäologisch; altertumskundlich |
| Luxemburgish | archeologesch |
| Papiamento | arkeológiko |
| Russian | археологический |
| Saterland Frisian | archäologisk |
| West Frisian | argeologysk |