| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | atoma | atomaj |
| Accusative | atoman | atomajn |
| Danish | atom‐ |
|---|---|
| Dutch | atomair; atomisch; atoom‐ |
| English | atomic |
| French | atomique |
| German | atomar; atomisch; Atom‐ |
| Papiamento | atómiko; atomiko |
| Portuguese | atómico |
| Russian | атомный; атомический |
| Saterland Frisian | atomar |