| Part of speech | common noun |
|---|---|
| Hyphenation | lag·o |
| Singular | Plural | |
|---|---|---|
| Nominative | lago | lagoj |
| Accusative | lagon | lagojn |
| Afrikaans | meer |
|---|---|
| Albanian | liqen |
| Catalan | llac |
| Chinook Jargon | leyk |
| Czech | jezero |
| Danish | sø |
| Dutch | meer; plas; waterplas |
| English | lake; loch; mere |
| English (Old English) | mere |
| Faeroese | vatn |
| Finnish | järvi |
| French | lac |
| German | See |
| Hawaiian | loko; loko wai; moana; moana wai |
| Hungarian | tó |
| Icelandic | vatn |
| Italian | lago |
| Latin | lacus |
| Luxemburgish | Séi |
| Malay | tasik; danau |
| Norwegian | innsjø; sjø; vann; tjern |
| Papiamento | lago |
| Polish | jezioro |
| Portuguese | lago |
| Romanian | lac |
| Russian | озеро |
| Saterland Frisian | Meer |
| Scots | loch |
| Scottish Gaelic | loch |
| Spanish | lago |
| Swahili | ziwa |
| Swedish | insjö; sjö |
| Thai | ทะเลสาบ |
| Turkish | göl |
| Ukrainian | озеро |
| Welsh | llyn |
| West Frisian | mar |
| Yiddish | אָזערע |