| Part of speech | common noun |
|---|---|
| Hyphenation | im·pe·ri·estr·o |
| Singular | Plural | |
|---|---|---|
| Nominative | imperiestro | imperiestroj |
| Accusative | imperiestron | imperiestrojn |
| Afrikaans | keiser |
|---|---|
| Catalan | emperador |
| Danish | kejser |
| Dutch | keizer |
| English | emperor; kaiser |
| English (Old English) | casere |
| French | empereur |
| German | Imperator; Kaiser |
| Italian | imperatore |
| Latin | dominus; imperator |
| Low German | keiser; keyser |
| Luxemburgish | Keeser |
| Norwegian | keiser |
| Papiamento | emperadó; emperador; imperiadó |
| Portuguese | imperador |
| Saterland Frisian | Imperator; Kaiser |
| Spanish | emperador |
| Swedish | kejsare; kejsar |
| Tagalog | emperador |
| Turkish | imparator |
| West Frisian | keizer |