Level: 3
| English | NONAGON |
| Spanish | ENEÁGONO |
| German | NEUNECK |
| French | ENNÉAGONE |
| Netherlands | NEGENHOEK |
| Italian | ENNAGONO |
| Russian | ДЕВЯТИУГОЛЬНИК |
| Portuguese | ENEÁGONO |
| Swedish | NONAGON |
| Danish | NIKANT |
| Norwegian | ENNEAGON |
| Finnish | NONAGONI |
| Turkish | |
| Polish | |
| Greek | ΕΝΝΕΑΓΩΝΟ |
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| Czech | DEVÍTIÚHELNÍK |
| Lithuanian | DEVYNKAMPIS |
| Latvian | DEVIŅSTŪRIS |
| Estonian | |
| Korean | |
| Hungarian | KILENCSZÖG |
| Romanian | NONAGON |
| Spanish(LA) | ENEÁGONO |
| Portuguese(Br) | ENEÁGONO |
| Belarusian (be) | |
| Bulgarian (bg) | ДЕВЕТОЪГЪЛНИК |
| Ukrainian (uk) | |
| Serbian (sr) | |
| Croatian (hr) | NONAGON |
| Slovak (sk) | DEVÄŤUHOLNÍK |
| Slovenian (sl) | DEVETKOTNIK |
| Arabic (ar) | |
| Hebrew (he) | מצולע בעל תשע צלעות |
| Thai (th) | |
| Indonesian (id) | |
| Malay (ms) | |
| Philipines (tl) | |
| French(Ca) | ENNÉAGONE |
| ENGLISH(UK) | NONAGON |