Level: 2
| English | ACID |
| Spanish | ÁCIDO |
| German | SÄURE |
| French | ACIDE |
| Netherlands | ZUUR |
| Italian | ACIDO |
| Russian | КИСЛОТА |
| Portuguese | ÁCIDO |
| Swedish | SYRA |
| Danish | SYRE |
| Norwegian | SYRE |
| Finnish | HAPPO |
| Turkish | ASİT |
| Polish | KWAS |
| Greek | ΟΞΥ |
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| Czech | KYSELINA |
| Lithuanian | RŪGŠTIS |
| Latvian | SKĀBE |
| Estonian | HAPE |
| Korean | 산성 용액 |
| Hungarian | SAV |
| Romanian | ACID |
| Spanish(LA) | ÁCIDO |
| Portuguese(Br) | ÁCIDO |
| Belarusian (be) | КІСЛАТА |
| Bulgarian (bg) | КИСЕЛИНА |
| Ukrainian (uk) | КИСЛОТА |
| Serbian (sr) | КИСЕЛИНА |
| Croatian (hr) | KISELINE |
| Slovak (sk) | KYSELINA |
| Slovenian (sl) | KISLINA |
| Arabic (ar) | حمض |
| Hebrew (he) | חומצה |
| Thai (th) | กรด |
| Indonesian (id) | ASAM |
| Malay (ms) | ASID |
| Philipines (tl) | ASIDO |
| French(Ca) | ACIDE |
| ENGLISH(UK) | ACID |