| Part of speech | common noun |
|---|---|
| Hyphenation | ser·pent·o |
| Singular | Plural | |
|---|---|---|
| Nominative | serpento | serpentoj |
| Accusative | serpenton | serpentojn |
| Afrikaans | slang |
|---|---|
| Albanian | gjarpër |
| Catalan | serp; serpent |
| Czech | had |
| Danish | slange |
| Dutch | serpent; slang |
| English | serpent; snake |
| English (Old English) | næddre; nædre; wyrm |
| Faeroese | ormur; slanga |
| French | serpent |
| German | Schlange |
| Greek | φίδι |
| Hawaiian | naheka |
| Hungarian | kígyó |
| Icelandic | ormur |
| Italian | serpente |
| Jamaican Patois | siniek |
| Latin | anguis; serpens |
| Malay | ular |
| Norwegian | orm; slange |
| Polish | wąż |
| Portuguese | cobra; serpente |
| Russian | змея |
| Saterland Frisian | Slange |
| Scottish Gaelic | nathair |
| Spanish | serpiente |
| Sranan | langaman; sneki |
| Swahili | nyoka |
| Swedish | orm; snok |
| Thai | งู |
| Welsh | neidr |
| West Frisian | slang |
| Yiddish | שלאַנג |