| Part of speech | common noun |
|---|---|
| Gender | feminine |
| Plural | algues |
| Catalan | alga |
|---|---|
| Dutch | alg; alge; wier |
| English | alga |
| Esperanto | algo |
| Faeroese | alga; tari |
| German | Alge |
| Hungarian | alga |
| Italian | alga |
| Latin | alga |
| Portuguese | alga |
| Russian | водоросль |
| Saterland Frisian | Alge; Kwadderske |
| Spanish | alga |
| Swedish | alg |
| West Frisian | seewier; alch |