| Part of speech | common noun |
|---|---|
| Pronunciation | /ˈɑdər/ |
| Hyphenation | ad·der |
| Gender | historically feminine, nowadays also masculine |
| Plural | adders, adderen (dichterlijk) |
| Diminutive | |
|---|---|
| Singular | Plural |
| addertje | addertjes |
| Albanian | nepërkë |
|---|---|
| Czech | zmije |
| English | viper; adder |
| English (Old English) | nædre; næddre |
| Esperanto | vipuro; vipero |
| Faeroese | høggormur |
| French | couleuvre |
| German | Natter; Kreuzotter; Viper |
| Greek | οχιά; όχεντρα |
| Italian | vipera |
| Latin | aspis |
| Papiamento | vibora |
| Portuguese | cobra; víbora |
| Saterland Frisian | Needer |
| Spanish | víbora |
| Swedish | huggorm |
| Welsh | gwiber |
| West Frisian | njirre |