| Part of speech | common noun |
|---|---|
| Gender | common |
| Singular | Plural | |||
|---|---|---|---|---|
| Indefinite | Definite | Indefinite | Definite | |
| Nominative | kniv | kniven | knivar | knivarna |
| Genitive | knivs | knivens | knivars | knivarnas |
| Afrikaans | mes |
|---|---|
| Catalan | ganivet |
| Czech | nůž |
| Danish | kniv |
| Dutch | mes |
| English | knife |
| English (Old English) | seax |
| Esperanto | tranĉilo |
| Faeroese | knívur |
| French | couteau |
| German | Messer |
| Hungarian | kés |
| Icelandic | hnífur |
| Italian | coltello |
| Malay | pisau |
| Norwegian | kniv |
| Papiamento | kuchiu; kuchú |
| Polish | nóż |
| Portuguese | faca |
| Russian | нож |
| Saterland Frisian | Soaks |
| Scots | knife |
| Scottish Gaelic | sgian |
| Spanish | cuchilla; cuchillo |
| Sranan | nefi |
| Swahili | kisu |
| Thai | มีด |
| Turkish | biçak; çakı |
| Welsh | cyllell |
| West Frisian | mês |